## Course curriculum

• 1

### Section 0.0 - Course Introduction

• Lecture 0.0.1 - Welcome to the Course

• Lecture 0.0.2 - Course Expectations

• Lecture 0.0.3 - Recommended Materials

• Lecture 0.0.4 - Course Structure

• 2

### Section 1.1 - Statistical and Critical Thinking

• Lecture 1.1.1 - Introductory Vocabulary

• Lecture 1.1.2 - Statistical Study Process

• Lecture 1.1.3 - Potential Pitfalls in Statistics Use: Part 1

• Lecture 1.1.4 - Potential Pitfalls in Statistics Use: Part 2

• Lecture 1.1.5 - Potential Pitfalls in Statistics Use: Exercises

• Lecture 1.1.6 - Percentages

• Lecture 1.1.7 - Percentages: Exercises

• Homework Help 1.1.5 - Determining potential bias in a statistical study of meat and dairy products in daily diets

• Homework Help 1.1.9 - Evaluating an Internet survey as a sampling method

• Homework Help 1.1.11 - Evaluating a survey of HR professionals as a sampling method

• Homework Help 1.1.13 - Distinguishing between statistical and practical significance for a weight loss program

• Homework Help 1.1.15 - Distinguishing between statistical and practical significance for a gender selection study

• Homework Help 1.1.17 - Identifying connections between data in a temperature data set

• Homework Help 1.1.18 - Evaluating bias in a statistical study

• Homework Help 1.1.23 - Evaluating a data set of vehicle weight and highway fuel consumption for potential falsified data

• Homework Help 1.1.30 - Calculating and comparing exact value with practical value

• Homework Help 1.1.31 - Calculating and comparing exact value with practical value for football players

• Homework Help 1.1.33 - Evaluating an assertion using a statistic about airbags

• Homework Help 1.1.35 - Evaluating an assertion using a statistic about foreign investment

• Homework Help 1.1.38 - Evaluating reported research results with falsified data

• 3

### Section 1.2 - Types of Data

• Lecture 1.2.1 - Parameters & Statistics

• Lecture 1.2.2 - Parameters & Statistics: Exercises

• Lecture 1.2.3 - Quantitative Data

• Lecture 1.2.4 - - Quantitative Data: Exercises

• Lecture 1.2.5 - Categorical Data

• Lecture 1.2.6 - Levels of Measurement

• Lecture 1.2.7 - Levels of Measurement: Exercises - Part 1

• Lecture 1.2.8 - Levels of Measurement: Exercises - Part 2

• Homework Help 1.2.1 - Distinguishing between a statistic and parameter for students who own a vehicle

• Homework Help 1.2.2 - Distinguishing between qualitative and quantitative data for total movie times

• Homework Help 1.2.9 - Distinguishing between a statistic and parameter for the areas of selected political states

• Homework Help 1.2.10 - Distinguishing between a statistic and parameter for a survey on optimism

• Homework Help 1.2.15 - Distinguishing between discrete and continuous data for a gender selection method

• Homework Help 1.2.21 - Identifying the level of measurement for car rankings

• Homework Help 1.2.23 - Identifying the level of measurement for makes of computers

• Homework Help 1.2.26 - Identifying the level of measurement for Olympic years

• Homework Help 1.2.29 - Identifying the level of measurement for a sports survey statistic

• Homework Help 1.2.30 - Identifying the level of measurement for a mood level statistic

• Homework Help 1.2.32 - Identifying the level of measurement for a movie rating

• Homework Help 1.2.33 - Distinguishing between discrete and continuous data

• 4

### Section 1.3 - Collecting Sample Data

• Lecture 1.3.1 - Types of Statistical Studies

• Lecture 1.3.2 - Simple Random Samples

• Lecture 1.3.3 - Sampling Methods

• Lecture 1.3.4 - Sampling Methods: Exercises

• Lecture 1.3.5 - Statistical Study Design: Observational Study

• Lecture 1.3.6 - Statistical Study Design: Experiment

• Lecture 1.3.7 - Statistical Experiment Design Tips

• Homework Help 1.3.6 - Distingushing between an obervtional study and an experiment

• Homework Help 1.3.7 - Calculating and evaluating response rate for a cell phone study

• Homework Help 1.3.9 - Identifying the sample method in a Social Security number study

• Homework Help 1.3.11 - Identifying the sample method in a telephone poll

• Homework Help 1.3.12 - Identifying the sample method in a marketing focus group

• Homework Help 1.3.13 - Identifying the sample method in a customer survey of in-flight service

• Homework Help 1.3.14 - Identifying the sample method in a customer satisfaction survey

• Homework Help 1.3.15 - Identifying the sample method in a power usage study

• Homework Help 1.3.16 - Identifying the sample method in a quality control study

• Homework Help 1.3.17 - Identifying the sample method in a tax audit

• Homework Help 1.3.18 - Identifying the sample method in an employment study

• Homework Help 1.3.19 - Identifying the sample method in a reading survey

• Homework Help 1.3.21 - Distinguishing between an observational study and an experiment for an online news survey

• Homework Help 1.3.22 - Distinguishing between an observational study and an experiment for an aspirin use study

• Homework Help 1.3.24 - Distinguishing between an observational study and an experiment for a blood pressure study

• Homework Help 1.3.27 - Identifying an observational study or experiment with a felony study

• Homework Help 1.3.29 - Identifying the type of observational study for a TV viewing study

• Homework Help 1.3.30 - Identifying the type of observational study for a tsunami study

• Homework Help 1.3.33 - Identifying the best experimental design for a clinical drug trial

• Homework Help 1.3.35 - Identifying the best experimental design for a vaccine trial

• Homework Help 1.3.38 - Distinguishing between a random and simple random sample

• 5

### Section 2.1 - Frequency Distributions

• Lecture 2.1.1 - Frequency Distribution Basics

• Lecture 2.1.2 - Frequency Distribution Basics: Exercises

• Lecture 2.1.3 - Creating Frequency Distributions

• Lecture 2.1.4 - Creating Frequency Distributions with StatCrunch

• Lecture 2.1.5 - Using Frequency Distributions

• Lecture 2.1.6 - Converting Frequency Distribution Tables in StatCrunch

• Lecture 2.1.7 - Relative Frequency Distributions

• Lecture 2.1.8 - Cumulative Frequency Distributions

• Homework Help 2.1.1 - Interpret a frequency table

• Homework Help 2.1.3 - Converting frequency counts to relative frequencies in StatCrunch

• Homework Help 2.1.3x - Converting frequency counts to relative frequencies in Excel

• Homework Help 2.1.4 - Evaluating relative frequencies in a given frequency table

• Homework Help 2.1.5 - Identify different parts of a frequency distribution

• Homework Help 2.1.7 - Calculating frequency table characteristics for male blood platelet counts

• Homework Help 2.1.8 - Calculating frequency table characteristics for female blood platelet counts

• Homework Help 2.1.9 - Evaluating a frequency distribution subjectively for normality

• Homework Help 2.1.10 - Matching a frequency distribution with approximate normal distribution

• Homework Help 2.1.11 - Constructing a frequency distribution table from BMI data

• Homework Help 2.1.13 - Constructing a frequency distribution table from screw length data

• Homework Help 2.1.14 - Constructing a frequency distribution table from actor age data

• Homework Help 2.1.15 - Constructing a frequency distribution table from rainfall data

• Homework Help 2.1.16 - Constructing a frequency distribution table from voltage data

• Homework Help 2.1.17 - Constructing a frequency distribution table from last digit data

• Homework Help 2.1.19 - Constructing a relative frequency distribution from a frequency counts table in StatCrunch

• Homework Help 2.1.19x - Constructing a relative frequency distribution from a frequency counts table in Excel

• Homework Help 2.1.21 - Constructing a cumulative frequency distribution from a frequency counts table of actress ages with StatCrunch

• Homework Help 2.1.21x - Constructing a cumulative frequency distribution from a frequency counts table of actress ages with Excel

• Homework Help 2.1.22 - Constructing a cumulative frequency distribution for low temperature counts using StatCrunch

• Homework Help 2.1.22x - Constructing a cumulative frequency distribution for low temperature counts using Excel

• Homework Help 2.1.23 - Constructing and interpreting a relative frequency distribution from categorical data

• Homework Help 2.1.24 - Constructing and evaluating a relative frequency distribution for natural births using StatCrunch

• Homework Help 2.1.24x - Constructing and evaluating a relative frequency distribution for natural births using Excel

• Homework Help 2.1.27-E - Constructing and evaluating a frequency distribution of earthquake magnitudes

• 6

### Section 2.2 - Histograms

• Lecture 2.2.1 - Histogram Basics

• Lecture 2.2.2 - Interpreting Histograms

• Lecture 2.2.3 - Assessing Normality

• Homework Help 2.2.5 - Interpreting a histogram of debate team members

• Homework Help 2.2.6 - Identifying the class width in a histogram

• Homework Help 2.2.9 - Constructing a histogram of coin weights

• Homework Help 2.11-E - Constructing and identifying skewness in a histogram

• Homework Help 2.2.12 - Constructing a histogram and evaluating it for normality

• Homework Help 2.2.13 - Constructing a histogram from a frequency distribution table

• Homework Help 2.2.14 - Constructing and evaluating a histogram of low temperatures

• Homework Help 2.2.15 - Constructing and evaluating a histogram of last digits

• Homework Help 2.2.18 - Evaluating a normal quantile plot

• 7

### Section 2.3 - Graphs That Enlighten and Graphs That Deceive

• Lecture 2.3.1 - Scatterplots

• Lecture 2.3.2 - Time-series graphs

• Lecture 2.3.3 - Dot plots

• Lecture 2.3.4 - Stem (and leaf) plots

• Lecture 2.3.5 - Bar graphs

• Lecture 2.3.6 - Pareto charts

• Lecture 2.3.7 - Pie charts

• Lecture 2.3.8 - Frequency polygons

• Lecture 2.3.9 - Ogives

• Lecture 2.3.10 - Deceptive graphs

• Homework Help 2.3.7 - Constructing a stem-and-leaf plot

• Homework Help 2.3.8 - Constructing a stem-and-leaf plot of geyser eruption heights

• Homework Help 2.3.9 - Constructing a time series plot

• Homework Help 2.3.10 - Constructing and interpreting a time series plot

• Homework Help 2.3.11-E - Constructing and evaluating a Pareto chart

• Homework Help 2.3.12 - Constructing a Pareto chart from a frequency distribution table

• Homework Help 2.3.14 - Constructing a pie chart from a frequency distribution table

• Homework Help 2.3.15 - Constructing a frequency polygon in StatCrunch

• Homework Help 2.3.16 - Constructing and evaluating a frequency polygon

• Homework Help 2.3.17 - Evaluating the depiction of data in a bar chart

• Homework Help 2.3.19 - Evaluating graphics for data distortion

• 8

### Section 2.4 - Scatterplots, Correlation, and Regression

• Lecture 2.4.1 - Correlation

• Lecture 2.4.2 - The Linear Correlation Coefficient

• Lecture 2.4.3 - Critical R Values

• Lecture 2.4.4 - Critical R Values: Exercises

• Lecture 2.4.5 - P-values

• Lecture 2.4.6 - Linear regression

• Homework Help 2.4.1 - Knowing the linear part of the linear correlation coefficient

• Homework Help 2.4.2 - Knowing the relationship between correlation and causation

• Homework Help 2.4.3 - Using a scatterplot

• Homework Help 2.4.5 - Constructing a scatterplot

• Homework Help 2.4.6 - Constructing and interpreting a scatterplot of cigarette tar and CO data

• Homework Help 2.4.7 - Constructing and interpreting a scatterplot of vehicle weight and highway mileage data

• Homework Help 2.4.9 - Identifying critical r values

• Homework Help 2.4.10 - Identifying and interpreting critical R values

• Homework Help 2.4.13 - Identifying and interpreting a P-value for linear correlation

• Homework Help 2.4.15 - Identifying and interpreting a linear correlation P-value using its definition

• 9

### Section 3.1 - Measures of Center

• Lecture 3.1.1 - The Arithmetic Mean

• Lecture 3.1.2 - The Median and the Mode

• Lecture 3.1.3 - Midrange

• Lecture 3.1.4 - Calculating Measures of Center in StatCrunch

• Lecture 3.1.5 - Interpreting Measures of Center

• Lecture 3.1.6 - Frequency Distribution Means

• Lecture 3.1.7 - Weighted Means

• Homework Help 3.1.5 - Finding the mean, median, mode, and midrange for jersey numbers

• Homework Help 3.1.6 - Finding the mean, median, mode, and midrange for sports team player weights

• Homework Help 3.1.7 - Finding the mean, median, mode, and midrange for quantitative data

• Homework Help 3.1.10 - Finding the mean, median, mode, and midrange for converted categorical data

• Homework Help 3.1.11 - Finding the mean, median, mode, and midrange for TV selling prices

• Homework Help 3.1.12 - Finding the mean, median, mode, and midrange for cell phone radiation measurements

• Homework Help 3.1.15 - Finding the mean, median, mode, and midrange for the foot lengths of military women

• Homework Help 3.1.16 - Finding the mean, median, mode, and midrange for college tuition data

• Homework Help 3.1.17 - Finding the mean, median, mode, and midrange, and interpret any outliers

• Homework Help 3.1.21 - Finding and interpreting the mean and median of blood pressure data

• Homework Help 3.1.22 - Finding and interpreting the mean and median of parking meter collections

• Homework Help 3.1.23 - Finding and interpreting the mean and median of male and female pulse rates

• Homework Help 3.1.24 - Finding and interpreting the mean and median of customer wait times

• Homework Help 3.1.26-T - Finding and interpreting the mean and median of earthquake magnitude data

• Homework Help 3.1.27-T - Finding and interpreting the mean and median of temperature data

• Homework Help 3.1.28-E - Finding and interpreting the mean and median of birth weight data

• Homework Help 3.1.29 - Finding the mean of a frequency distribution

• Homework Help 3.1.31 - Finding and evaluating the mean of a frequency distribution

• Homework Help 3.1.33 - Finding a mean grade point score using StatCrunch

• Homework Help 3.1.33x - Finding a mean grade point score using Excel

• Homework Help 3.1.34 - Calculating an overall final score for a student

• Homework Help 3.1.35 - Finding a missing data value using the mean

• Homework Help 3.1.37 - Investigating the influence of outliers on the mean

• Homework Help 3.1.39 - Finding and interpreting the geometric mean

• 10

### Section 3.2 - Measures of Variation

• Lecture 3.2.1 - Standard Deviation

• Lecture 3.2.2 - Range and the Range Rule of Thumb

• Lecture 3.2.3 - Range & the Range Rule of Thumb: Exercises

• Lecture 3.2.4 - Variance

• Lecture 3.2.5 - The Empirical Rule and Chebyshev's Theorem

• Lecture 3.2.6 - Coefficient of variation

• Homework Help 3.2.1 - Using the range rule of thumb to estimate and evaluate the standard deviation

• Homework Help 3.2.2 - Using the range rule of thumb to estimate standard deviation

• Homework Help 3.2.3 - Finding the variance

• Homework Help 3.2.5 - Finding the range, variance, and standard deviation of jersey numbers

• Homework Help 3.2.7 - Finding the range, variance, and standard deviation

• Homework Help 3.2.8 - Finding the range, variance, and standard deviation of one-night hotel price data

• Homework Help 3.2.9 - Finding the range, variance, and standard deviation of hurricane frequency data

• Homework Help 3.2.10 - Finding and interpreting the range, variance, and standard deviation

• Homework Help 3.2.12 - Finding and interpreting the range, variance, and standard deviation of radiation absorption data

• Homework Help 3.2.13 - Finding and interpreting the range, variance, and standard deviation of caffeine level

• Homework Help 3.2.15 - Finding and interpreting the range, variance, and standard deviation of foot length data

• Homework Help 3.2.17 - Finding and interpreting the range, variance, and standard deviation of marriage proposal package prices

• Homework Help 3.2.20 - Finding and interpreting the range, variance, and standard deviation of speed dating ratings

• Homework Help 3.2.21-T - Finding and interpreting the coefficient of variation for blood pressure measurements

• Homework Help 3.2.22 - Finding and interpreting the coefficient of variation

• Homework Help 3.2.23-T - Finding and interpreting the coefficient of variation for male and female pulse rates

• Homework Help 3.2.24 - Finding and interpreting the coefficient of variation for customer wait times

• Homework Help 3.2.25-E - Finding and interpreting the range, variance, and standard deviation of tornado data

• Homework Help 3.2.26-T - Find the range, variation, and standard deviation of a dataset before and after adding another data point

• Homework Help 3.2.27-T - Finding and interpreting the range, variance, and standard deviation of body temperature data

• Homework Help 3.2.29 - Using the range rule of thumb with tornado data

• Homework Help 3.2.31 - Using the range rule of thumb with body temperature data

• Homework Help 3.2.33 - Identifying significantly low and high values of pulse rates with the range rule of thumb

• Homework Help 3.2.35 - Identifying significantly low and high values of foot lengths with the range rule of thumb

• Homework Help 3.2.37x - Calculating the standard deviation of a frequency distribution in Excel

• Homework Help 3.2.38x - Calculating the standard deviation of a frequency distribution in Excel, again

• Homework Help 3.2.41 - Using the empirical rule to derive proportions

• Homework Help 3.2.42 - Using the empirical rule to derive proportions of body temperature measurements

• Homework Help 3.2.43 - Using Chebyshev's theorem to derive proportions

• Homework Help 3.2.44 - Using Chebyshev's theorem to derive proportions of body temperature measurements

• Homework Help 3.2.46x - Calculating and interpreting the mean absolute deviation (MAD) using Excel

• 11

### Section 3.3 - Measures of Relative Standing

• Lecture 3.3.1 - Z-scores

• Lecture 3.3.2 - Z-scores: Exercises

• Lecture 3.3.3 - Percentiles

• Lecture 3.3.4 - Quartiles

• Lecture 3.3.5 - Five-number summaries

• Lecture 3.3.6 - Boxplots

• Homework Help 3.3.1 - Connecting a z-score with standard deviation

• Homework Help 3.3.2 - Interpreting a boxplot

• Homework Help 3.3.3 - Interpreting the comparison of two boxplots

• Homework Help 3.3.4 - Identifying an optimal z-score

• Homework Help 3.3.5 - Connecting standard deviations with z-scores

• Homework Help 3.3.7 - Using standard deviation to find a z-score for female pulse rates

• Homework Help 3.3.8 - Using standard deviation to find a z-score for weights of discarded plastic

• Homework Help 3.3.9 - Converting z-scores to real-world values

• Homework Help 3.3.11 - Converting z-scores of coin weights to real-world values

• Homework Help 3.3.13 - Using z-scores to compare male heights

• Homework Help 3.3.15 - Using z-scores to compare newborn weights

• Homeowrk Help 3.3.16 - Using z-scores to compare actor ages

• Homework Help 3.3.17 - Finding percentiles in a data set

• Homework Help 3.3.19 - Finding percentiles in a data set of cell phone airport data speeds

• Homework Help 3.3.21 - Finding percentiles in a data set of data speeds

• Homework Help 3.3.22 - Finding the first quartile in a data set of cell phone airport data speeds

• Homework Help 3.3.23-E - Finding the third quartile in a data set of cell phone airport data speeds

• Homework Help 3.3.25 - Finding percentiles in a data speed data set

• Homework Help 3.3.27 - Finding percentiles in an airport data speed data set

• Homework Help 3.3.29 - Finding the five-number summary for a speed dating experiment

• Homework Help 3.3.30 - Finding the five-number summary for radiation measurements

• Homework Help 3.3.31 - Finding a five-number summary

• Homework Help 3.3.32 - Finding the five-number summary for blood pressure measurements

• Homework Help 3.3.33 - Creating and using boxplots

• Homework Help 3.3.34 - Creating and interpreting boxplots of best actor and actress ages

• Homework Help 3.3.37 - Creating and interpreting boxplots of male and female pulse rates

• 12

### Section 4.1 - Basic Concepts of Probability

• Lecture 4.1.1 - Probability Basics

• Lecture 4.1.2 - Calculating Probability: Part 1

• Lecture 4.1.3 - Calculating Probability: Part 2

• Lecture 4.1.4 - Simulations and the Law of Large Numbers

• Lecture 4.1.5 - Calculating Probability: Part 3

• Lecture 4.1.6 - Complementary Probability

• Lecture 4.1.7 - Odds

• Lecture 4.1.8 - Relative Risk and the Odds Ratio

• Homework Help 4.1.7 - Calculating a simple probability

• Homework Help 4.1.9 - Finding a probability by subjective judgment

• Homework Help 4.1.11 - Assessing probability by subjective judgment

• Homework Help 4.1.13 - Calculating the probability of winning odds

• Homework Help 4.1.14 - Calculating the probability of encountering a car crash

• Homework Help 4.1.15 - Calculating the probability of a thunderstorm

• Homework Help 4.1.17 - Calculating the probability of a last digit

• Homework Help 4.1.18 - Calculating the probability of a specified response

• Homework Help 4.1.19 - Calculating the probability of a certain event

• Homework Help 4.1.22 - Finding and interpreting the probability of a false positive drug test from tabulated data

• Homework Help 4.1.24x - Finding and evaluating the probability of passing a polygraph using Excel

• Homework Help 4.1.25 - Finding and evaluating the probability a gender selection method works

• Homework Help 4.1.27 - Finding and evaluating the probability of yielding green peas

• Homework Help 4.1.28 - Finding and evaluating the probability of guessing a birthday correctly

• Homework Help 4.1.29 - Finding and evaluating the probability from a survey

• Homework Help 4.1.30 - Finding and evaluating the probability being in a car crash

• Homework Help 4.1.31 - Finding and evaluating the probability from a sample space

• Homework Help 4.1.32 - Finding and evaluating the probability of inheriting a disease

• Homework Help 4.1.33 - Calculating the probability of getting two boys in three births

• Homework Help 4.1.35 - Finding a sample space and an associated probability

• Homework Help 4.1.37 - Finding and evaluating the probability of a specified birth

• Homework Help 4.1.38 - Finding and evaluating the probability a seat belt works

• Homework Help 4.1.39 - Finding and evaluating the probability of coffee enhancing memory

• Homework Help 4.1.40 - Finding and evaluating the probability of cell phones causing cancer

• Homework Help 4.1.42 - Finding the probability of winning at roulette

• Homework Help 4.1.44 - Finding the relative risk and odds ratio for clinical trials

• 13

### Section 4.2 - The Addition and Multiplication Rules

• Lecture 4.2.1 - The Addition Rule

• Lecture 4.2.2 - Using the Addition Rule

• Lecture 4.2.3 - Venn Diagrams and Tree Diagrams

• Lecture 4.2.4 - The Multiplication Rule

• Lecture 4.2.5 - Using the Multiplication Rule

• Lecture 4.2.6 - The Multiplication Rule: Exercises - Part 1

• Lecture 4.2.7 - The Multiplication Rule: Exercises - Part 2

• Homework Help 4.2.6 - Calculating the probability of being color blind

• Homework Help 4.2.7 - Interpreting a complement

• Homework Help 4.2.8 - Interpreting a complement, again

• Homework Help 4.2.9 - Calculating a complement probability from a frequency data using StatCrunch

• Homework Help 4.2.10 - Calculating a specified probability from frequency data using StatCrunch

• Homework Help 4.2.9x - Calculating a complement probability from a frequency data using Excel

• Homework Help 4.2.10x - Calculating a specified probability from frequency data using Excel

• Homework Help 4.2.11 - Finding probability from a frequency table and identifying disjoint events

• Homework Help 4.2.12 - Finding probability from a frequency table and identifying disjoint events, again using StatCrunch

• Homework Help 4.2.12x - Finding probability from a frequency table and identifying disjoint events, again, using Excel

• Homework Help 4.2.13 - Finding probability from a frequency table for selections with and without replacement

• Homework Help 4.2.15x - Finding probability and evaluating the independency of related events using Excel

• Homework Help 4.2.17x - Calculating the probability of Event 1 or Event 2 using Excel

• Homework Help 4.2.19x - Calculating the probability of a specified event using Excel

• Homework Help 4.2.21x - Calculating the parts of probabilities using Excel

• Homework Help 4.2.23x - Calculating the probability of using marijuana from selectively supplied parts using Excel

• Homework Help 4.2.25 - Finding the reliability for redundant systems

• Homework Help 4.2.25x - Finding the reliability for redundant systems using Excel

• Homework Help 4.2.26 - Finding the reliability for redundant backup systems

• Homework Help 4.2.27 - Finding the acceptance probability for quality control

• Homework Help 4.2.30 - Calculating the probability of helicopter usage and patient survival

• Homework Help 4.2.31 - Finding reliability for series and parallel configurations

• 14

### Section 4.3 - Complements, Conditional Probability, and Bayes's Theorem

• Lecture 4.3.1 - The Probability of "At Least One"

• Lecture 4.3.2 - The Probability of "At Least One": Exercises

• Lecture 4.3.3 - Conditional Probability

• Lecture 4.3.4 - Conditional Probability: Exercises

• Lecture 4.3.5 - Confusion of the Inverse

• Lecture 4.3.6 - Bayes's Theorem

• Homework Help 4.3.3 - Finding the probability of a conditional event

• Homework Help 4.3.5 - Finding the probability of at least one girl in three births

• Homework Help 4.3.6 - Finding the probability of birthing a girl after birthing five boys

• Homework Help 4.3.7 - Finding the probability of at least one girl in nine births

• Homework Help 4.3.9 - Finding the probability of “at least one”

• Homework Help 4.3.12 - Calculating a conditional probability from poll results

• Homework Help 4.3.13 - Calculating conditional probabilities of spending coins

• Homework Help 4.3.14 - Calculating conditional probabilities of spending dollar bills

• Homework Help 4.3.15 - Finding conditional probability from a frequency table

• Homework Help 4.3.17 - Calculating a conditional probability for disease testing

• Homework Help 4.3.18 - Calculating and evaluating a conditional probability for disease testing

• Homework Help 4.3.19 - Calculating the positive predictive value for a polygraph test

• Homework Help 4.3.21 - Finding product reliability given the failure rate

• Homework Help 4.3.23 - Finding a probability from combined disease test samples

• Homework Help 4.3.24 - Finding a probability of a positive test result from a combined water sample

• 15

### Section 4.4 - Counting

• Lecture 4.4.1 - The Fundamentals of Counting and Factorials

• Lecture 4.4.2 - Permutations

• Lecture 4.4.3 - Combinations

• Lecture 4.4.4 - Performing Counting Calculations: Part 1

• Lecture 4.4.5 - Performing Counting Calculations: Part 2

• Homework Help 4.4.5 - Finding probability using the fundamental counting rule

• Homework Help 4.4.6 - Finding the probability of correctly completing a partial Social Security number

• Homework Help 4.4.9 - Finding the probability of randomly selecting a selected order

• Homework Help 4.4.10 - Calculating the possible radio station call letters

• Homework Help 4.4.11 - Calculating the probability of randomly selecting a selected route

• Homework Help 4.4.14 - Finding probability using combinations

• Homework Help 4.4.15 - Calculating the probability of selecting the three youngest of 15 students

• Homework Help 4.4.16 - Calculating the probability of selecting the shortest route between three sites

• Homework Help 4.4.17 - Finding the probability of winning a lottery jackpot

• Homework Help 4.4.20 - Finding probability using permutations

• Homework Help 4.4.22 - Calculating the different ways a word can be rearranged

• Homework Help 4.4.23 - Finding probabilities using permutations and combinations

• Homework Help 4.4.24 - Finding the probability of blindly inserting an ATM card correctly

• Homework Help 4.4.25 - Finding the probability of basketball players shooting in alphabetical order

• Homework Help 4.4.27 - Finding the number of different ways to arrange letters in words

• Homework Help 4.2.28 - Finding the number of possible selections from more than enough candidates

• Homework Help 4.4.33 - Finding the probability of being dealt a blackjack hand

• Homework Help 4.4.35 - Finding the number of possible outcomes by finding the sample space

• Homework Help 4.4.37 - Finding the number of possible selections given conditions for selecting

• 16

### Section 5.1 - Probability Distributions

• Lecture 5.1.1 - Random Variables

• Lecture 5.1.2 - Probability Distributions

• Lecture 5.1.3 - Measures of Center and Variation

• Lecture 5.1.4 - Measures of Center and Variation in StatCrunch & Excel

• Lecture 5.1.5 - Expected Value

• Lecture 5.1.6 - Range Rule of Thumb

• Lecture 5.1.7 - Rare Event Rule

• Homework Help 5.1.7 - Finding the mean and standard deviation for a probability distribution

• Homework Help 5.1.8x - Finding the mean and standard deviation of a probability distribution in Excel

• Homework Help 5.1.11 - Finding the mean and standard deviation for a probability distribution using StatCrunch

• Homework Help 5.1.12x - Testing a probability table for distribution properties using Excel

• Homework Help 5.1.15 - Finding the mean and standard deviation for the number of girls in groups of births

• Homework Help 5.1.16 - Use the range rule of thumb to find significant values

• Homework Help 5.1.19 - Finding probabilities from a probability distribution

• Homework Help 5.1.20x - Finding probabilities from a probability distribution using Excel

• Homework Help 5.1.21 - Finding probabilities with a probability distribution of sleepwalkers

• Homework Help 5.1.24 - Find probabilities from a probability distribution table

• Homework Help 5.1.27x - Calculating the expected value from playing a lottery game in Excel

• Homework Help 5.1.28 - Using expected value to find a better bet at roulette

• Homework Help 5.1.29 - Applying expected value to a life insurance policy

• 17

### Section 5.2 - Binomial Probability Distributions

• Lecture 5.2.1 - Binomial Distribution Basics

• Lecture 5.2.2 - Binomial Distribution Basics: Exercises

• Lecture 5.2.3 - Binomial Distribution Calculations: Part 1

• Lecture 5.2.4 - Binomial Distribution Calculations: Part 2

• Lecture 5.2.5 - Summary Statistics for Binomial Distributions

• Lecture 5.2.6 - Binomial Distributions: Review Exercises

• Homework Help 5.2.2 - Identifying values of the binomial distribution

• Homework Help 5.2.13 - Finding probability using the multiplication rule

• Homework Help 5.2.17-T - Finding a binomial distribution probability of "fewer than"

• Homework Help 5.2.19 - Finding the binomial distribution probability on "none"

• Homework Help 5.2.21-T - Finding the binomial distribution probability of an exact number

• Homework Help 5.2.22-T - Finding a binomial distribution probability of smartphone users

• Homework Help 5.2.23-T - Finding the binomial distribution probability of "at least"

• Homework Help 5.2.24-E - Finding the binomial distribution probability given a proportion

• Homework Help 5.2.26 - Finding a binomial distribution probability of "no more than"

• Homework Help 5.2.27-T - Finding and evaluating a binomial distribution probability

• Homework Help 5.2.28-T - Finding and evaluating the probability of regretting a tattoo

• Homework Help 5.2.29 - Finding the mean and standard deviation of a binomial distribution

• Homework Help 5.2.32 - Using the Range Rule of Thumb with the binomial distribution

• Homework Help 5.2.33-T - Finding a binomial distribution probability for a combined test sample

• Homework Help 5.2.35-T - Applying the binomial distribution to acceptance testing

• Homework Help 5.2.36-T - Using the binomial distribution to evaluate toy manufacturing quality control

• Homework Help 5.2.41 - Finding a geometric distribution probability

• Homework Help 5.2.43 - Finding a hypergeometric distribution probability

• 18

### Section 5.3 - Poisson Probability Distributions

• Lecture 5.3.1 - Poisson Probability Distribution Basics

• Lecture 5.3.2 - Poisson Probability Distributions: Example Application

• Lecture 5.3.3 - Poisson Probability Distribution Calculations

• Lecture 5.3.4 - The Possion as an Approximation to the Binomial

• Lecture 5.3.5 - The Possion as an Approximation to the Binomial: Exercise

• Homework Help 5.3.1 - Identifying and describing the variables in a Poisson distribution

• Homework Help 5.3.2 - Finding the mean, standard deviation, and variance of a Poisson distribution

• Homework Help 5.3.3 - Identifying possible random variable values in a Poisson distribution

• Homework Help 5.3.5-T - Finding probabilities and expected values with a Poisson distribution

• Homework Help 5.3.9-E - Finding probabilities and expected values of births per day

• Homework Help 5.3.11-T - Finding probabilities and mean values of radioactive decay

• Homework Help 5.3.12-T - Using the Poisson distribution to evaluate homicide rates

• Homework Help 5.3.14-T - Using the Poisson distribution to evaluate malignant tumor data

• Homework Help 5.3.16-T - Finding the probability of “at least one” with the Poisson distribution

• 19

### Section 6.1 - The Standard Normal Distribution

• Lecture 6.1.1 - Density Curves

• Lecture 6.1.2 - The Uniform Distribution

• Lecture 6.1.3 - Solving Uniform Distribution Problems

• Lecture 6.1.4 - The Standard Normal Distribution

• Lecture 6.1.5 - Z-score Tables

• Lecture 6.1.6 - Using Z-score Tables

• Lecture 6.1.7 - Using StatCrunch for Z-score Tables

• Lecture 6.1.8 - Critical Values

• Homework Help 6.1.5 - Using a uniform distribution to find the probability of "greater than"

• Homework Help 6.1.6 - Using a uniform distribution to find the probability of "less than"

• Homework Help 6.1.8 - Finding a uniform distribution probability using StatCrunch

• Homework Help 6.1.9 - Finding a normal distribution probability

• Homework Help 6.1.9t - Finding a normal distribution probability using a table

• Homework Help 6.1.10-T - Finding a normal distribution probability using StatCrunch

• Homework Help 6.1.11-T - Finding an area in between from a z-score

• Homework Help 6.1.13 - Finding a z score for a standard normal distribution using a table

• Homework Help 6.1.14-T - Finding a z score for a standard normal distribution using StatCrunch

• Homework Help 6.1.15-T - Finding a z-score from an area to the right

• Homework Help 6.1.19-T - Matching a "less than" area with a z-score

• Homework Help 6.1.21-T - Matching a "greater than" shaded area with a z-score

• Homework Help 6.1.25 - Finding an "in between" probability with z-scores

• Homework Help 6.1.29-T - Finding an "in-between" probability with bone density test scores

• Homework Help 6.1.33-T - Finding a "less than" probability with bone density test scores

• Homework Help 6.1.35 - Finding a "greater than" probability with bone density test scores

• Homework Help 6.1.37 - Finding a probability with percentiles and the Normal distribution

• Homework Help 6.1.38-T - Finding the percentile for a standard normal distribution

• Homework Help 6.1.39 - Finding a between probability with percentages and the Normal distribution

• Homework Help 6.1.40-E - Finding cutoff values for bone density test scores with the Normal distribution

• Homework Help 6.1.43 - Finding a critical value z-score

• Homework Help 6.1.45-T - Finding the area under a normal distribution curve using z-scores in StatCrunch

• Homework Help 6.1.46-T - Finding the area in between two z-scores

• Homework Help 6.1.47-T - Finding the area within three standard deviations

• Homework Help 6.1.48-T - Finding the area within 3.5 standard deviations

• Homework Help 6.1.49 - Finding significantly low and high bone density scores

• 20

### Section 6.2 - Real Applications of Normal Distributions

• Lecture 6.2.1 - Standardizing Normal Distributions

• Lecture 6.2.2 - Nonstandard Normal Distributions in StatCrunch

• Lecture 6.2.3 - Nonstandard Normal Distributions: Exercises - Part 1

• Lecture 6.2.4 - Nonstandard Normal Distributions: Exercises - Part 2

• Lecture 6.2.5 - Probabilities and Percentiles

• Lecture 6.2.6 - Z-scores and Areas

• Lecture 6.2.7 - Conversion Process

• Homework Help 6.2.1 - Identifying a standard Normal distribution

• Homework Help 6.2.4 - Understanding when to apply the nonstandard Normal distribution

• Homework Help 6.2.6-T - Finding the area under a nonstandard Normal distribution curve

• Homework Help 6.2.7 - Finding the area under a Normal distribution curve using StatCrunch

• Homework Help 6.2.8-T - Finding an "in between" area under a nonstandard Normal distribution curve

• Homework Help 6.2.9 - Finding a random variable given an area under a nonstandard Normal distribution curve

• Homework Help 6.2.9t - Finding a random variable given an area under a nonstandard Normal distribution curve using a table

• Homework Help 6.2.10-T - Finding a random variable given an area to the right under a nonstandard Normal distribution curve

• Homework Help 6.2.11 - Using an area to the right to find a nonstandard Normal distribution random variable

• Homework Help 6.2.13 - Finding a probability with a nonstandard Normal distribution

• Homework Help 6.2.14-T - Finding the probability of having a higher IQ score

• Homework Help 6.2.15 - Finding the probability of having an IQ score in between two values

• Homework Help 6.2.17-T - Finding percentiles with a nonstandard Normal distribution

• Homework Help 6.2.18-T - Finding quartiles with a nonstandard Normal distribution

• Homework Help 6.2.19-E - Finding "significant values" using a Normal distribution

• Homework Help 6.2.23-T - Finding the percentage of people who meet a height requirement

• Homework Help 6.2.24-T - Finding the percentage of adults who can fit through an aircraft door

• Homework Help 6.2.26-T - Finding percentiles using a Normal distribution

• Homework Help 6.2.27-T - Finding the percentage of women who meet ejection seat specifications

• Homework Help 6.2.30 - Finding the standard temperature to evaluate fevers

• Homework Help 6.2.31 - Using a nonstandard Normal distribution to evaluate pregnancy and premature birth data

• Homework Help 6.2.33-T - Using a data set to create a Normal distribution

• Homework Help 6.2.36 - Finding the probability that a data value is an outlier

• 21

### Section 6.3 - Sampling Distributions and Estimators

• Lecture 6.3.1 - Sampling Distributions: Part 1

• Lecture 6.3.2 - Sampling Distributions: Part 2

• Lecture 6.3.3 - Distributions of Sample Statistics

• Lecture 6.3.4 - Bias in Estimators and Sampling

• Lecture 6.3.5 - Sampling Distribution Tables in StatCrunch

• Lecture 6.3.6 - Sampling Distribution Tables in Excel

• Homework Help 6.3.7 - Creating a variance sampling distribution probability distribution table in StatCrunch

• Homework Help 6.3.8 - Constructing & interpreting a standard deviation probability distribution with a 3-number population

• Homework Help 6.3.9 - Creating in StatCrunch a probability distribution table for a sampling distribution of the medians

• Homework Help 6.3.10x - Creating a proportion sampling distribution probability distribution table using Excel

• Homework Help 6.3.11 - Creating a mean sampling distribution probability distribution table using StatCrunch

• Homework Help 6.3.11x - Creating a mean sampling distribution probability distribution table using Excel

• Homework Help 6.3.12 - Creating a median sampling distribution probability distribution table using StatCrunch

• Homework Help 6.3.12x - Creating a median sampling distribution probability distribution table using Excel

• Homework Help 6.3.13 - Creating a range sampling distribution probability distribution table using StatCrunch

• Homework Help 6.3.13x - Creating a range sampling distribution probability distribution table using Excel

• Homework Help 6.3.15 - Interpreting a proportion sampling distribution probability distribution table

• Homework Help 6.3.18 - Constructing and using a proportion sampling distribution table

• 22

### Section 6.4 - The Central Limit Theorem

• Lecture 6.4.1 - Central Limit Theorem Basics

• Lecture 6.4.2 - Central Limit Theorem Basics: Exercises

• Lecture 6.4.3 - Corrections for Sample Size

• Lecture 6.4.4 - Corrections for Sample Size: Exercises - Part 1

• Lecture 6.4.5 - Corrections for Sample Size: Exercises - Part 2

• Lecture 6.4.6 - Corrections for Sample Size: Exercises - Part 3

• Homework Help 6.4.6-T - Finding probabilities for different sample sizes using a nonstandard Normal distribution

• Homework Help 6.4.7-T - Applying a nonstandard Normal distribution to pulse rates

• Homework Help 6.4.9 - Applying a nonstandard Normal distribution to elevator safety

• Homework Help 6.4.13-T - Applying a nonstandard Normal distribution to gondola safety

• Homework Help 6.4.15-E - Applying a nonstandard Normal distribution to airline seat design

• Homework Help 6.4-16-T - Applying a nonstandard Normal distribution to quality control

• Homework Help 6.4.17-T - Applying a nonstandard Normal distribution to ejection seat design

• Homework Help 6.4.19-T - Applying a nonstandard normal distribution to airline door design

• Homework Help 6.4.18-T - Applying a nonstandard Normal distribution to boat design

• Homework Help 6.4.20-T - Using a nonstandard normal distribution to evaluate aircraft load capacity

• 23

### Section 6.5 - Assessing Normality

• Lecture 6.5.1 - Assessing Normality with Normal Quantile Plots

• Lecture 6.5.2 - Normal Quantile Plots in StatCrunch

• Lecture 6.5.3 - Normal Quantile Plots in StatCrunch: Exercises

• Lecture 6.5.4 - Data Transformations

• Lecture 6.5.5 - Data Transformations in StatCrunch

• Lecture 6.5.6 - Data Transformations: Exercises

• Homework Help 6.5.7 - Interpeting a normal quantile plot

• Homework Help 6.5.9-T - Creating and interpreting a normal quantile plot

• Homework Help 6.5.11-T - Evaluating normality in body mass index data

• Homework Help 6.5.13-T - Creating and evaluating a normal quantile plot

• Homework Help 6.5.14-E - Creating and evaluating a normal quantile plot for actress age data

• Homework Help 6.5.15-T - Creating and evaluating a normal quantile plot for male systolic blood pressure

• Homework Help 6.5.17-T - Creating a normal quantile plot to find z-scores

• Homework Help 6.5.19-T - Using a normal quantile plot to find z-scores

• Homework Help 6.5.21 - Evaluating the effect of data transformations on normally distributed data

• 24

### Section 6.6 - The Normal Distribution as Approximation to the Binomial

• Homework Help 6.6.1 - Applying the continuity correction to a random variable

• Homework Help 6.6.5-T - Applying the requirements to approximate the binomial distribution with the normal

• Homework Help 6.6.7-T - Approximating the binomial distribution with the normal to find a probability

• Homework Help 6.6.8-T - Finding a probability by approximating the binomial distribution with the normal

• Homework Help 6.6.9-T - Finding the probability of voters voting with a normal approximation of the binomial

• Homework Help 6.6.11-T - Finding the probability of an exact number of voters with a normal approximation of the binomial

• Homework Help 6.6.13-T - Finding and interpreting the probability of birthing girls

• Homework Help 6.6.15-E - Finding and interpreting the probability of using smartphones in theaters

• Homework Help 6.6.16-T - Finding and interpreting the probability of flu side effects from a cholesterol treatment

• Homework Help 6.6.17-T - Finding and interpreting the probability of pea plants with red flowers

• Homework Help 6.6.18-T - Finding and interpreting the probability of people sleepwalking

• Homework Help 6.6.19 - Evaluating dishonesty by approximating the binomial distribution with the normal

• Homework Help 6.6.20 - Finding and interpreting the probabilities of cancer from cell phones

• 25

### Section 7.1 - Estimating a Population Proportion

• Lecture 7.1.1 - Proportion Point Estimate

• Lecture 7.1.2 - Confidence Intervals and Levels

• Lecture 7.1.3 - Critical Values Review

• Lecture 7.1.4 - Margin of Error

• Lecture 7.1.5 - Confidence Intervals for Proportions

• Lecture 7.1.6 - Confidence Intervals for Proportions: Exercises

• Lecture 7.1.7 - Confidence Intervals for Proportions in StatCrunch: Part 1

• Lecture 7.1.8 - Confidence Intervals for Proportions in StatCrunch: Part 2

• Lecture 7.1.9 - Confidence Intervals for Proportions in StatCrunch: Part 3

• Lecture 7.1.10 - Sample Size for Estimating Proportions

• Lecture 7.1.11 - Sample Size for Estimating Proportions: Exercises

• Homework Help 7.1.5 - Using a confidence level to find a critical value z-score

• Homework Help 7.1.9 - Converting a confidence interval into a tolerancing format

• Homework Help 7.1.11 - Converting a confidence interval into a combined format

• Homework Help 7.1.13 - Constructing and interpreting a proportion confidence interval

• Homework Help 7.1.14-T - Constructing and interpreting a proportion confidence interval on adverse drug reactions

• Homework Help 7.1.15 - Finding the best point estimate and confidence interval for proportions

• Homework Help 7.1.17 - Constructing and interpreting a proportion confidence interval on birthing girls

• Homework Help 7.1.18 - Constructing and interpreting a proportion confidence interval on yellow pea yields

• Homework Help 7.1.19-T - Constructing and interpreting a proportion confidence interval on order accuracy

• Homework Help 7.1.21-T - Constructing and interpreting a proportion confidence interval on touch sensitivity

• Homework Help 7.1.22-T - Finding a sample proportion and its confidence interval

• Homework Help 7.1.23 - Constructing and interpreting a proportion confidence interval on cancer from cell phone use

• Homework Help 7.1.29-E - Constructing and interpreting a proportion confidence interval on presidential candidate height

• Homework Help 7.1.30 - Constructing and interpreting a proportion confidence interval on candy colors

• Homework Help 7.1.33-T - Finding the sample size needed to estimate a student completion rate proportion

• Homework Help 7.1.35-T - Estimating sample size for the population proportion of passengers

• Homework Help 7.1.36-T - Estimating sample size for the population proportion of operating systems

• Homework Help 7.1.37-T - Finding the sample size needed to estimate a population proportion

• Homework Help 7.1.41 - Applying the Rule of Three to an upper bound on proportions

• 26

### Section 7.2 - Estimating a Population Mean

• Lecture 7.2.1 - Mean Point Estimate and the Key Question

• Lecture 7.2.2 - The Student-T Distribution

• Lecture 7.2.3 - Confidence Intervals for Means

• Lecture 7.2.4 - Confidence Intervals for Means: Exercises - Part 1

• Lecture 7.2.5 - Confidence Intervals for Means: Exercises - Part 2

• Lecture 7.2.6 - Confidence Intervals for Means: Exercises - Part 3

• Lecture 7.2.7 - Confidence Intervals for Means: Exercises - Part 4

• Lecture 7.2.8 - Sample Size for Estimating Means

• Homework Help 7.2.1 - Finding a confidence interval given summary sample data

• Homework Help 7.2.5-T - Determining whether the Normal or T distribution applies

• Homework Help 7.2.7-T - Determining whether the Normal or T distribution applies to football player salaries

• Homework Help 7.2.8-T - Determining whether the Normal or T distribution applies to a confidence interval

• Homework Help 7.2.9-T - Creating & comparing a confidence interval for newborn girl weights

• Homework Help 7.2.11 - Constructing & interpreting a confidence interval for mean body temperatures

• Homework Help 7.2.13-T - Finding & interpreting a confidence interval for a population mean

• Homework Help 7.2.14 - Constructing & interpreting a confidence interval for mean LDL cholesterol changes

• Homework Help 7.2.17-T - Constructing & interpreting a confidence interval for mean speed dating ratings

• Homework Help 7.2.19-T - Constructing & interpreting a confidence interval for mean mercury levels

• Homework Help 7.2.21-T - Constructing & interpreting a confidence interval for mean personal net worth

• Homework Help 7.2.27-E - Constructing and interpreting a confidence interval for mean drive-through service times

• Homework Help 7.2.29-T - Finding the sample size needed to estimate a population mean confidence interval

• Homework Help 7.2.23-T - Constructing & interpreting a confidence interval for mean student course ratings

• Homework Help 7.2.25-T - Constructing & interpreting a confidence interval for mean pulse rates

• Homework Help 7.2.27-E - Constructing & interpreting a confidence interval for mean drive-thru service times

• Homework Help 7.2.31-T - Estimating the sample size needed for a mean confidence interval

• Homework Help 7.2.33-T - Estimating sample size for a mean confidence interval of female student ages

• Homework Help 7.2.35-T - Estimating sample size for a mean confidence interval of male pulse rates

• Homework Help 7.2.37 - Finding and interpreting a confidence interval for a population mean with known sigma

• 27

### Section 7.3 - Estimating a Population Standard Deviation or Variance

• Lecture 7.3.1 - Confidence Intervals for Standard Deviations

• Lecture 7.3.2 - Confidence Intervals for Standard Deviations

• Lecture 7.3.3 - Confidence Intervals for Standard Deviations: Exercises - Part 1

• Lecture 7.3.4 - Confidence Intervals for Standard Deviations: Exercises - Part 2

• Lecture 7.3.5 - Sample Size for Estimating Standard Deviations

• Homework Help 7.3.5-T - Finding degrees of freedom, critical values, and a confidence interval estimate for standard deviation

• Homework Help 7.3.7-T - Finding degrees of freedom, critical values, and a standard deviation confidence interval

• Homework Help 7.3.9 - Finding a standard deviation confidence interval for body temperature

• Homework Help 7.3.11-T - Finding a confidence interval for a population standard deviation

• Homework Help 7.3.13 - Finding a standard deviation confidence interval for video game play time

• Homework Help 7.3.15-T - Finding and interpreting a standard deviation confidence interval for traffic speeds

• Homework Help 7.3.16-T - Finding a confidence interval for a population standard deviation given sample data

• Homework Help 7.3.17-T - Finding and interpreting a standard deviation confidence interval for student evaluations

• Homework Help 7.3.19 - Finding the minimum sample size to estimate a population standard deviation of IQ scores

• Homework Help 7.3.21 - Finding the minimum sample size to estimate a population standard deviation of flight delay times

• 28

### Section 7.4 - Bootstrapping: Using Technology for Estimates

• Homework Help 7.4.1 - Recognizing the importance of sampling with replacement in bootstrapping

• Homework Help 7.4.2x - Identifying potential bootstrap samples

• Homework Help 7.4.3 - Recognizing a bootstrap sample

• Homework Help 7.4.7-T - Finding a mean weight change with the bootstrap method

• Homework Help 7.4.9-T - Finding mean and standard deviation confidence intervals with the bootstrap method

• Homework Help 7.4.13-Tx - Using bootstrapping to construct a proportion confidence interval estimate

• Homework Help 7.4.17-T - Finding the mean confidence interval with the bootstrap method

• Homework Help 7.4.19-T - Using bootstrap methods to construct a mean confidence interval estimate

• 29

### Section 8.1 - Basics of Hypothesis Testing

• Lecture 8.1.1 - The Null and Alternative Hypotheses

• Lecture 8.1.2 - Significance Level and Test Statistics

• Lecture 8.1.3 - Test Statistics and P-values

• Lecture 8.1.4 - Significance Levels and Critical Values

• Lecture 8.1.5 - Decision Criteria

• Lecture 8.1.6 - Decision Criteria: Exercises

• Lecture 8.1.7 - Hypothesis Testing in StatCrunch

• Lecture 8.1.8 - Stating Conclusions

• Lecture 8.1.9 - Stating Conclusions: Exercises

• Lecture 8.1.10 - Subjective Conclusions

• Lecture 8.1.11 - Type I and Type II Errors

• Lecture 8.1.12 - Type I and Type II Errors: Exercises

• Lecture 8.1.13 - Power of a Hypothesis Test

• Homework Help 8.1.1 - Using a Type I error to set a significance level

• Homework Help 8.1.4 - Selecting the most favorable P-value

• Homework Help 8.1.5 - Identifying the null and alternative hypothesis about a population proportion

• Homework Help 8.1.7 - Identifying the null and alternative hypothesis about a population mean

• Homework Help 8.1.8 - Identifying the symbolic claim and hypotheses for a claim about a population standard deviation

• Homework Help 8.1.9 - Making a subjective estimate of survey results

• Homework Help 8.1.11 - Making a subjective estimate about a given claim

• Homework Help 8.1.13 - Finding the value of the test statistic for hypothesis testing on proportions

• Homework Help 8.1.14 - Finding the test statistic for a proportion hypothesis test

• Homework Help 8.1.15 - Finding the test statistic for a mean hypothesis test

• Homework Help 8.1.16 - Finding the test statistic for a standard deviation hypothesis test

• Homework Help 8.1.17 - Using a z-score to complete hypothesis testing for a claim of equality

• Homework Help 8.1.19 - Using a z-score to complete hypothesis testing for a claim of inequality

• Homework Help 8.1.22 - Using a z-score to complete hypothesis testing for a claim of "less than"

• Homework Help 8.1.24 - Using a critical value z-score to complete hypothesis testing for a claim of equality

• Homework Help 8.1.25 - Using a t-value to conclude a hypothesis test

• Homework Help 8.1.27 - Using a P-value to conclude a mean hypothesis test

• Homework Help 8.1.28 - Using a P-value to conclude a standard deviation hypothesis test

• Homework Help 8.1.29 - Identifying Types I and II errors

• Homework Help 8.1.31 - Identifying Type I and Type II errors

• Homework Help 8.1.33 - Interpreting the power of a hypothesis test

• 30

### Section 8.2 - Testing a Claim About a Proportion

• Lecture 8.2.1 - Conventions for Proportion Hypothesis Testing

• Lecture 8.2.2 - Deciding Proportion Hypothesis Tests

• Lecture 8.2.3 - Proportion Hypothesis Testing: Exercises - Part 1

• Lecture 8.2.4 - Proportion Hypothesis Testing: Exercises - Part 2

• Lecture 8.2.5 - Proportion Hypothesis Testing: Exercises - Part 3

• Lecture 8.2.6 - Proportion Hypothesis Testing: Exercises - Part 4

• Lecture 8.2.7 - Exact Method of Proportion Hypothesis Testing

• Homework Help 8.2.5 - Using a calculator display to perform hypothesis testing on proportions

• Homework Help 8.2.7 - Performing proportion hypothesis testing on cell phone ownership

• Homework Help 8.2.9-T - Using StatCrunch to perform hypothesis testing on proportions of fast food order accuracy

• Homework Help 8.2.10-T - Performing proportion hypothesis testing on blood clot drugs

• Homework Help 8.2.11-T - Performing hypothesis testing on a politician's claim of survey results

• Homework Help 8.2.12-T - Performing proportion hypothesis testing on colored candies

• Homework Help 8.2.13-T - Performing proportion hypothesis testing on drug side effects

• Homework Help 8.2.14-T - Performing proportion hypothesis testing on medical malpractice lawsuits

• Homework Help 8.2.15-T - Performing proportion hypothesis testing on survey results

• Homework Help 8.2.16-T - Performing proportion hypothesis testing on marijuana test results

• Homework Help 8.2.17-T - Performing proportion hypothesis testing on birthing boys

• Homework Help 8.2.18-T - Performing proportion hypothesis testing on experimental pea yields

• Homework Help 8.2.19-T - Using StatCrunch to perform hypothesis testing on proportions of polygraph results

• Homework Help 8.2.21-E - Performing proportion hypothesis testing on pro touch therapists

• Homework Help 8.2.23-T - Performing proportion hypothesis testing on cell phone use and cancer

• Homework Help 8.2.25-T - Performing proportion hypothesis testing on home team wins

• Homework Help 8.2.26-T - Performing proportion hypothesis testing on nicotine patch therapy

• Homework Help 8.2.29-T - Performing proportion hypothesis testing on Loch Ness survey results

• Homework Help 8.2.30-T - Performing proportion hypothesis testing on a stop-smoking treatment

• Homework Help 8.2.31-T - Using StatCrunch to perform hypothesis testing on proportions of jury selections

• 31

### Section 8.3 - Testing a Claim About a Mean

• Lecture 8.3.1 - Mean Hypothesis Testing When We Don't Know σ

• Lecture 8.3.2 - Mean Hypothesis Testing When We Do Know σ

• Lecture 8.3.3 - Mean Hypothesis Testing in StatCrunch

• Lecture 8.3.4 - Mean Hypothesis Testing in StatCrunch: Exercises - Part 1

• Lecture 8.3.5 - Mean Hypothesis Testing in StatCrunch: Exercises - Part 2

• Lecture 8.3.6 - Mean Hypothesis Testing in StatCrunch: Exercises - Part 3

• Lecture 8.3.7 - Mean Hypothesis Testing in StatCrunch: Exercises - Part 4

• Lecture 8.3.8 - Confidence Intervals and Hypothesis Testing on the Mean

• Homework Help 8.3.5-T - Finding the P-value given the test statistic

• Homework Help 8.3.6-T - Finding the P-value for a hypothesis test

• Homework Help 8.3.9 - Performing mean hypothesis testing using a technology display

• Homework Help 8.3.11 - Performing mean hypothesis testing on eruption predictions

• Homework Help 8.3.12 - Performing hypothesis testing on means of tornado lengths in StatCrunch

• Homework Help 8.3.13-T - Using StatCrunch to perform hypothesis testing on means of course evaluation scores

• Homework Help 8.3.14-T - Performing mean hypothesis testing on speed dating ratings

• Homework Help 8.3.15-T - Performing mean hypothesis testing on the effect of garlic on cholesterol

• Homework Help 8.3.16-T - Performing mean hypothesis testing on earthquake depths

• Homework Help 8.3.21-E - Performing mean hypothesis testing on lead concentrations

• Homework Help 8.3.22-T - Performing mean hypothesis testing on time estimates

• Homework Help 8.3.23-T - Performing mean hypothesis testing on booster seat safety

• Homework Help 8.3.25-T - Using StatCrunch to perform hypothesis testing on means of female pulse rates

• 32

### Section 8.4 - Testing a Claim About a Standard Deviation or Variance

• Lecture 8.4.1 - Conventions of Standard Deviation Hypothesis Testing

• Lecture 8.4.2 - Standard Deviation Hypothesis Testing in StatCrunch

• Lecture 8.4.3 - Standard Deviation Hypothesis Testing: Exercises - Part 1

• Lecture 8.4.4 - Standard Deviation Hypothesis Testing: Exercises - Part 2

• Lecture 8.4.5 - Standard Deviation Hypothesis Testing: Exercises - Part 3

• Lecture 8.4.6 - Standard Deviation Hypothesis Testing: Exercises - Part 4

• Lecture 8.4.7 - Confidence Intervals and Hypothesis Testing on σ

• Homework Help 8.4.5-T - Using StatCrunch to perform hypothesis testing on standard deviations of female pulse rates

• Homework Help 8.4.8-T - Performing standard deviation hypothesis testing on baseball player heights

• Homework Help 8.4.9-T - Performing hypothesis testing on standard deviations of piston diameters in StatCrunch

• Homework Help 8.4.10-T - Performing standard deviation hypothesis testing on mutual fund yields

• Homework Help 8.4.11-T - Performing hypothesis testing on soda can fill variation

• Homework Help 8.4.12-T - Performing standard deviation hypothesis testing on cigarette filters

• Homework Help 8.4.13-T - Performing standard deviation hypothesis testing on aircraft altimeters

• Homework Help 8.4.14-T - Performing standard deviation hypothesis testing on bank teller wait times

• Homework Help 8.4.16-T - Performing standard deviation hypothesis testing on mutual fund rates of return

• Homework Help 8.4.17-E - Performing hypothesis testing on standard deviations of drive-thru service times

• 33

### Section 9.1 - Two Proportions

• Lecture 9.1.1 - Hypothesis Testing of Two Proportions: Part 1

• Lecture 9.1.2 - Hypothesis Testing of Two Proportions: Part 2

• Lecture 9.1.3 - Confidence Intervals for Two Proportions

• Lecture 9.1.4 - Two Proportions: Exercises

• Homework Help 9.1.2 - Identifying statistical values related to hypothesis testing of two population proportions

• Homework 9.1.7-E - Performing proportion hypothesis testing on vehicles with front license plates

• Homework Help 9.1.10-T - Using StatCrunch to perform hypothesis testing on two proportions of referee calls

• Homework Help 9.1.11-T - Performing proportion hypothesis testing on dreaming in black and white

• Homework Help 9.1.13-T - Performing hypothesis testing on two proportions in StatCrunch

• Homework Help 9.1.15-T - Performing proportion hypothesis testing on the effectiveness of echinacea

• Homework Help 9.1.19-T - Performing proportion hypothesis testing on cluster headache treatments

• Homework Help 9.1.21-T - Performing proportion hypothesis testing on lefthandedness

• Homework Help 9.1.23-T - Estimating sample size for the difference in proportions of two groups

• Homework Help 9.1.26-T - Performing hypothesis testing on two proportions of common attributes

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### Section 9.2 - Two Means: Independent Samples

• Lecture 9.2.1 - Independent Samples

• Lecture 9.2.2 - Hypothesis Testing of Two Independent Means

• Lecture 9.2.3 - Confidence Intervals for Two Independent Means

• Lecture 9.2.4 - Inferences About Two Independent Means: Exercises - Part 1

• Lecture 9.2.5 - Inferences About Two Independent Means: Exercises - Part 2

• Lecture 9.2.6 - Inferences About Two Independent Means: Exercises - Part 3

• Homework Help 9.2.5-T - Performing hypothesis testing on two independent sample means of soda can fill volumes

• Homework Help 9.2.6-T - Performing mean hypothesis testing on an unspecified treatment

• Homework Help 9.2.7-T - Performing mean hypothesis testing on test proctoring

• Homework Help 9.2.9-T - Conducting mean hypothesis testing on back pain treatment data

• Homework Help 9.2.10-T - Using StatCrunch to perform hypothesis testing on two independent sample means of body temperatures

• Homework Help 9.2.11-T - Performing mean hypothesis testing on body mass index values

• Homework Help 9.2.12-T - Conducting mean hypothesis testing on IQ and lead level data

• Homework Help 9.2.18-T - Performing mean hypothesis testing on strontium-90 amounts

• Homework Help 9.2.19-E - Performing mean hypothesis testing on geyser eruption times

• Homework Help 9.2.21-T - Performing mean hypothesis testing on lifespans of church officials

• Homework Help 9.2.22-T - Using StatCrunch to perform hypothesis testing on two independent means of blood pressures

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### Section 9.3 - Two Dependent Samples (Matched Pairs)

• Lecture 9.3.1 - Hypothesis Testing and Confidence Intervals for Paired Data

• Lecture 9.3.2 - Hypothesis Testing and Confidence Intervals for Paired Data: Example

• Lecture 9.3.3 - Hypothesis Testing and Confidence Intervals for Paired Data: Exercises – Part 1

• Lecture 9.3.4 - Hypothesis Testing and Confidence Intervals for Paired Data: Exercises – Part 2

• Lecture 9.3.5 - Hypothesis Testing and Confidence Intervals for Paired Data: Exercises – Part 3

• Homework Help 9.3.2 - Calculating paired data sample variables in StatCrunch

• Homework Help 9.3.2x - Calculating paired data sample variables in Excel

• Homework Help 9.3.5-T - Using StatCrunch to perform hypothesis testing on two matched pair means of acting award ages

• Homework Help 9.3.6-T - Performing paired sample hypothesis testing on presidential candidate heights

• Homework Help 9.3.8-T - Performing paired sample hypothesis testing on how many words couples speak daily

• Homework Help 9.3.9 - Performing hypothesis testing on means of right and left hand reaction times

• Homework Help 9.3.10-T - Performing paired sample hypothesis testing on systolic blood pressures

• Homework Help 9.3.12 - Performing paired sample hypothesis testing on systolic blood hospital admissions

• Homework Help 9.3.13-T - Using StatCrunch to perform hypothesis testing on two matched pair means of hospital admissions

• Homework Help 9.3.14-T - Constructing a confidence interval to compare seed types

• Homework Help 9.3.15-T - Constructing a confidence interval to evaluate pain reduction from hypnosis

• Homework Help 9.3.20-T - Performing paired sample hypothesis testing to evaluate word counts

• Homework Help 9.3.21-T - Performing paired sample hypothesis testing to compare paper and plastic weights

• Homework Help 9.3.23-E - Using StatCrunch to perform hypothesis testing on two matched pair means of speed dating ratings

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### Section 9.4 - Two Standard Deviations or Variances

• Lecture 9.4.1 - Hypothesis Testing and Confidence Intervals for Two Standard Deviations

• Lecture 9.4.2 - Hypothesis Testing and CIs for Two Standard Deviations: Exercises – Part 1

• Lecture 9.4.3 - Hypothesis Testing and CIs for Two Standard Deviations: Exercises – Part 2

• Lecture 9.4.4 - Hypothesis Testing and CIs for Two Standard Deviations: Exercises – Part 3

• Lecture 9.4.5 - The Count Five Method

• Lecture 9.4.6 - The Levine-Brown-Forsythe Test

• Homework Help 9.4.1 - Applying the properties of the F-test statistic

• Homework Help 9.4.3 - Applying the requirements for the F-test

• Homework Help 9.4.5-T - Performing hypothesis testing on the variances of skull measurements

• Homework Help 9.4.6-T - Performing standard deviation hypothesis testing on two samples of screen color

• Homework Help 9.4.7-T - Using StatCrunch to perform hypothesis testing on two standard deviations of alcohol treatments

• Homework Help 9.4.10-T - Performing standard deviation hypothesis testing on two samples of spoken words

• Homework Help 9.4.11-T - Using StatCrunch to perform hypothesis testing on standard deviations of magnet influence on pain

• Homework Help 9.4.15-E - Using StatCrunch to perform hypothesis testing on standard deviations of gesyer eruption times

• Homework Help 9.4.17 - Finding the mean absolute deviation (MAD) for hypothesis testing with the count five method

• Homework Help 9.4.18-T - Using the Levene-Brown-Forsythe test for standard deviation hypothesis testing

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### Section 10.1 - Correlation

• Homework Help 10.1.1 - Applying the properties of linear correlation

• Homework Help 10.1.4 - Associating R values with their respective scatterplot

• Homework Help 10.1.5 - Performing linear correlation hypothesis testing

• Homework Help 10.1.7 - Performing hypothesis testing on correlation of weights of discarded paper and glass

• Homework Help 10.1.9 - Appreciating the importance of a scatterplot

• Homework Help 10.1.10 - Performing correlation hypothesis testing

• Homework Help 10.1.11 - Evaluating linear correlation for symmetrical patterns

• Homework Help 10.1.12-T - Evaluating correlation of data variables producing patterns on a scatterplot

• Homework Help 10.1.13-T - Performing linear correlation hypothesis testing on Internet users and award winners

• Homework Help 10.1.17-T - Performing linear regression hypothesis testing on foot length and height

• Homework Help 10.1.19-T - Performing linear regression hypothesis testing on lemon imports and crash fatality rates

• Homework Help 10.1.21-T - Performing linear regression hypothesis testing on award winner ages

• Homework Help 10.1.23 - Performing linear regression hypothesis testing on seal widths and weights

• Homework Help 10.1.25-T - Performing linear correlation hypothesis testing for bill totals and tip amounts

• Homework Help 10.1.26-T - Performing linear regression hypothesis testing on heights and winning presidential elections

• Homework Help 10.1.29-T - Performing hypothesis testing for linear correlation

• Homework Help 10.1.31-T - Performing hypothesis testing for the linear correlation of shoe print length and height

• Homework Help 10.1.33-T - Performing linear correlation hypothesis testing for word counts from couples

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### Section 10.2 - Regression

• Homework Help 10.2.5 - Finding the best predicted value of speed dating ratings

• Homework Help 10.2.7 - Finding the best predicted value of weight based on height

• Homework Help 10.2.9 - Finding the regression line equation using given data

• Homework Help 10.2.10-T - Using StatCrunch to find a regression line equation

• Homework Help 10.2.11 - Using StatCrunch to find a regression line equation from a given scatterplot

• Homework Help 10.2.13 - Finding the regression equation and best predicted value for bear chest size

• Homework Help 10.2.17 - Finding the regression equation and best predicted value for systolic blood pressure

• Homework Help 10.2.19-T - Finding the regression equation and best predicted value for crash fatality rates

• Homework Help 10.2.21-T - Finding the regression equation and best predicted value for Best Actor ages

• Homework Help 10.2.22 - Finding the regression equation and best predicted value for ambient temperature

• Homework Help 10.2.23 - Finding the regression equation and best predicted value for the weight of a seal

• Homework Help 10.2.24 - Finding the regression equation and best predicted value for television viewer numbers

• Homework Help 10.2.27 - Finding the regression equation and best predicted value for sports ball circumference

• Homework Help 10.2.29-E - Finding the regression equation and best predicted value for Nobel Laureate rates

• Homework Help 10.2.31-T - Finding the regression equation and best predicted value for gross movie ticket sales

• Homework Help 10.2.34-T - Finding the regression equation and best predicted value for earthquake data

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### Section 10.3 - Prediction Intervals and Variation

• Homework Help 10.3.2 - Interpreting a prediction interval

• Homework Help 10.3.3 - Finding and interpreting the coefficient of determination

• Homework Help 10.3.5 - Finding the coefficient of determination and the explained variation

• Homework Help 10.3.9 - Finding the linear correlation coefficient from a Minitab display

• Homework Help 10.3.11 - Finding the best predicted height from a linear regression model of foot lengths

• Homework Help 10.3.17-T - Finding the explained variation, the unexplained variation, and a prediction interval estimate

• Homework Help 10.3.18-T - Finding the explained and unexplained variation for court income and salaries

• Homework Help 10.3.19-T - Finding the explained and unexplained variation for redshift amounts

• Homework Help 10.3.20-T - Finding the variations and a prediction interval for diamond weights and price data

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### Section 10.4 - Multiple Regression

• Homework Help 10.4.7 - Evaluating a multiple linear regression equation based on a given technology output

• Homework Help 10.4.9 - Choosing the best multiple regression model

• Homework Help 10.4.11 - Selecting a multiple linear regression equation based on P-value and coefficients of determination

• Homework Help 10.4.12 - Finding the best predicted value using the best multiple regression model

• Homework Help 10.4.13-T - Finding the best regression equation given multiple variables

• Homework Help 10.4.15-T - Finding the best regression equation for IQ and brain volume

• Homework Help 10.4.17 - Conducting hypothesis testing on multiple linear regression coefficients

• Homework Help 10.4.19-E - Finding and using a specified multiple regression equation

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### Section 10.5 - Nonlinear Regression

• A few words about nonlinear regression

• Homework Help 10.5.5-T - Finding the best nonlinear regression model for a falling object using Excel

• Homework Help 10.5.6-T - Finding the best nonlinear regression model for landscaping mulch cost using Excel

• Homework Help 10.5.7-T - Finding the best nonlinear regression model for a subway fare using Excel

• Homework Help 10.5.9-T - Finding the best nonlinear regression model for bacteria growth using Excel

• Homework Help 10.5.10-T - Finding the best nonlinear regression model for car crash deaths using Excel

• Homework Help 10.5.11-T - Finding the best nonlinear regression model for shock waves from explosives using StatCrunch

• Homework Help 10.5.11-T - Finding the best nonlinear regression model for shock waves from explosives using Excel

• Homework Help 10.5.12-T - Finding the best nonlinear regression model for movie ticket sales using Excel

• Homework Help 10.5.15-T - Finding the best nonlinear regression model for stock market index values using StatCrunch

• Stat 101 Nonlinear Regression Reference Sheet

• 42

### Section 11.1 - Goodness-of-Fit

• Homework Help 11.1.3 - Using goodness of fit for hypothesis testing of the best day for quality family time

• Homework Help 11.1.4 - Using goodness of fit hypothesis testing and Benford's Law to detect online hacking

• Homework Help 11.1.5 - Performing goodness of fit hypothesis testing for slot machine testing

• Homework Help 11.1.6 - Performing goodness of fit hypothesis testing for check fraud

• Homework Help 11.1.7 - Performing goodness of fit hypothesis testing for testing a loaded die

• Homework Help 11.1.12-T - Performing goodness of fit hypothesis testing to evaluate police calls

• Homework Help 11.1.13-T - Applying goodness of fit hypothesis testing to horse race post positions

• Homework Help 11.1.15-T - Performing goodness of fit hypothesis testing to evaluate baseball games

• Homework Help 11.1.17-T - Performing goodness of fit hypothesis testing to evaluate births in hospitals

• Homework Help 11.1.19 - Performing goodness-of-fit hypothesis testing to evaluate candy colors

• Homework Help 11.1.21-T - Using goodness of fit and Benford's Law for hypothesis testing to detect check fraud

• Homework Help 11.1.25-E - Finding and using expected frequency for goodness of fit hypothesis testing

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### Section 11.2 - Contingency Tables

• Homework Help 11.2.5-T - Performing contingency table hypothesis testing on polygraph results

• Homework Help 11.2.6-T - Performing contingency table hypothesis testing to evaluate discrimination

• Homework Help 11.2.7 - Performing contingency table hypothesis testing to evaluate interview responses

• Homework Help 11.2.9-T - Performing contingency table hypothesis testing to evaluate prison sentences

• Homework Help 11.2.11-T - Performing contingency table hypothesis testing to evaluate referee calls

• Homework Help 11.2.13-T - Performing contingency table hypothesis testing to evaluate soccer penalty kicks

• Homework Help 11.2.14-T - Performing contingency table hypothesis testing to evaluate seat belt use among smokers

• Homework Help 11.2.15 - Performing contingency table hypothesis testing to evaluate survey responses

• Homework Help 11.2.16 - Performing contingency table hypothesis testing to evaluate motorcycle helmet color

• Homework Help 11.2.18-E - Performing contingency table hypothesis testing to evaluate baseball player birthdays

• Homework Help 11.2.20-T - Using a technology display to evaluate a contingency table hypothesis test

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### Section 12.1 - One-Way ANOVA

• Homework Help 12.1.1 - Understanding the assumptions underlying one-way ANOVA hypothesis testing

• Homework Help 12.1.5 - Applying one-way ANOVA hypothesis testing to weight-loss diets

• Homework Help 12.1.7 - Applying one-way ANOVA hypothesis testing to reading scores

• Homework Help 12.1.9 - Using an ANOVA table for hypothesis testing

• Homework Help 12.1.10 - Applying one-way ANOVA hypothesis testing to gross movie sales

• Homework Help 12.1.11-T - Applying one-way ANOVA hypothesis testing to bicycle lap times

• Homework Help 12.1.12-T - Applying one-way ANOVA hypothesis testing to vehicle emissions

• Homework Help 12.1.14-T - Using one-way ANOVA for hypothesis testing of cigarette filters

• Homework Help 12.1.18-E - Using one-way ANOVA for hypothesis testing and the Bonferroni test

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### Section 12.2 - Two-Way ANOVA

• Homework Help 12.2.1 - Understanding the need for two-way ANOVA hypothesis testing

• Homework Help 12.2.4 - Recognizing a balanced design in two-way ANOVA hypothesis testing

• Homework Help 12.2.6 - Using a technology display for interaction two-way ANOVA hypothesis testing

• Homework Help 12.2.9-T - Applying two-way ANOVA hypothesis testing to self-esteem levels

• Homework Help 12.2.10-T - Applying two-way ANOVA hypothesis testing to pulse rates

• Homework Help 12.2.11 - Recognizing the effect of data transformations on two-way ANOVA results

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• 47

### Section 13.2 - Sign Test

• Homework Help 13.2.1 - Identifying the requirements of the sign test for hypothesis testing

• Homework Help 13.2.5-T - Performing a sign hypothesis test of median airline ticket prices

• Homework Help 13.2.7-T - Performing a sign hypothesis test of a travel plan survey

• Homework Help 13.2.8-T - Performing a sign hypothesis test of median heights

• Homework Help 13.2.9 - Performing a sign hypothesis test of a politician's claim

• Homework Help 13.2.11-T - Performing a sign hypothesis test of a gender selection study

• Homework Help 13.2.12-E - Performing a sign hypothesis test of coin toss claim

• Homework Help 13.2.13-T - Performing a sign hypothesis test of median volumes

• Homework Help 13.2.15-T - Performing a sign hypothesis test of median coin weights

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### Section 13.3 - Wilcoxon Signed-Ranks Test for Matched Pairs

• Homework Help 13.3.1 - Identifying the requirements for the Wilcoxon signed ranks test

• Homework Help 13.3.3 - Recognizing the differences between the sign test and Wilcoxon signed ranks test

• Homework Help 13.3.5-T - Performing the Wilcoxon signed ranks test for high temperature forecasts

• Homework Help 13.3.6-T - Performing the Wilcoxon signed ranks test for hospital admissions in StatCrunch

• Homework Help 13.3.6-T - Performing the Wilcoxon signed ranks test for hospital admissions in Excel

• Homework Help 13.3.7-E - Performing the Wilcoxon signed ranks test for speed dating ratings

• Homework Help 13.3.9-T - Performing the Wilcoxon signed ranks test for median volumes

• Homework Help 13.3.11-T - Performing the Wilcoxon signed ranks test for soda can volumes

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### Section 13.4 - Wilcoxon Rank-Sum Test for Two Independent Samples

• Homework Help 13.4.2 - Finding a rank sum for the independent Wilcoxon signed ranks test in Excel

• Homework Help 13.4.5-T - Performing the Wilcoxon signed ranks test for movie ticket sales

• Homework Help 13.4.6-T - Performing the Wilcoxon signed ranks test for earnings by education

• Homework Help 13.4.7-T - Performing the Wilcoxon signed ranks test for a cholesterol drug

• Homework Help 13.4.8-T - Performing the Wilcoxon signed ranks test for teacher salaries

• Homework Help 13.4.9-E - Performing the Wilcoxon signed ranks test for student evaluations

• Homework Help 13.4.10-T - Performing the Wilcoxon signed ranks test for quarter weights

• Homework Help 13.4.11-T - Performing the Wilcoxon signed ranks test for IQ scores

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### Section 13.5 - Kruskal-Wallis Test for Three or More Samples

• Homework Help 13.5.5-E - Performing the Kruskal-Wallis test for speed dating age brackets

• Homework Help 13.5.7-T - Performing the Kruskal-Wallis test for chest deceleration measurements

• Homework Help 13.5.9-T - Performing the Kruskal-Wallis test for bicycle lap times

• Homework Help 13.5.10-T - Performing the Kruskal-Wallis test for nicotine in cigarettes

• Homework Help 13.5.11 - Performing the Kruskal-Wallis test for flammability test results

• Homework Help 13.5.12-T - Performing the Kruskal-Wallis test for blood lead levels

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### Section 13.6 - Rank Correlation

• Homework Help 13.6.1 - Distinguishing between rank correlation testing and linear correlation

• Homework Help 13.6.5 - Performing Spearman's rank correlation test for distance-time data

• Homework Help 13.6.7-T - Performing Spearman's rank correlation test for quality-cost data

• Homework Help 13.6.8-T - Performing Spearman's rank correlation test for audience impressions

• Homework Help 13.6.9 - Performing Spearman's rank correlation test for paint test results

• Homework Help 13.6.11-E - Performing Spearman's rank correlation test for seal width and weight data

• Homework Help 13.6.12-T - Performing Spearman's rank correlation test for cricket chirps

• Homework Help 13.6.13-T - Performing Spearman's rank correlation test for departure and arrival delays

• Homework Help 13.6.15-T - Performing Spearman's rank correlation test for blood pressure data

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### Section 13.7 - Runs Test for Randomness

• Homework Help 13.7.1 - Identifying the requirements for the runs test for randomness

• Homework Help 13.7.5-T - Performing the runs test for randomness in law enforcement fatalities using StatCrunch

• Homework Help 13.7.5-T - Performing the runs test for randomness in law enforcement fatalities using Minitab

• Homework Help 13.7.6 - Performing the runs test for randomness in a sequence of even and odd digits

• Homework Help 13.7.8-T - Performing the runs test for randomness in newspaper printings using StatCrunch

• Homework Help 13.7.8-T - Performing the runs test for randomness in newspaper printings using MiniTab

• Homework Help 13.7.9 - Performing the runs test for randomness in sports team divisions

• Homework Help 13.7.11 - Performing the runs test for randomness in a stock market price index

• Homework Help 13.7.12-T - Performing the runs test for randomness in birth genders

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### Section 14.1 - Control Charts for Mean and Variation

• Homework Help 14.1.1 - Identifying the constraints of control charts

• Homework Help 14.1.5 - Finding values for creating x-bar and R charts

• Homework Help 14.1.7-E - Creating and interpreting an R chart for axial loads on aluminum cans using StatCrunch

• Homework Help 14.1.7-E - Creating and interpreting an R chart for axial loads on aluminum cans in Minitab

• Homework Help 14.1.8 - Creating and interpreting an x-bar chart for home electricity consumption

• Homework Help 14.1.10 - Creating and interpreting an R chart for customer wait times

• Homework Help 14.1.11 - Creating and interpreting an x-bar chart for customer wait times

• Homework Help 14.1.12 - Creating and interpreting a run chart

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### Section 14.2 - Statistical Control Charts for Attributes

• Homework Help 14.2.3 - Recognizing the bounds for control limits in p-charts

• Homework Help 14.2.5 - Creating and interpreting a p-chart for film canisters

• Homework Help 14.2.7-E - Creating and interpreting a p-chart for aspirin tablets

• Homework Help 14.2.8 - Creating and interpreting a p-chart for medical data transmissions

• Homework Help 14.2.9 - Creating and interpreting a p-chart for voter turnout

• Homework Help 14.2.10 - Creating and interpreting a p-chart for car batteries

• Homework Help 14.2.11 - Creating and interpreting a p-chart for cola can production

• Homework Help 14.2.12 - Creating and interpreting a p-chart for smart phone batteries