# The Practice of Statistics for the AP® Course

## Seventh EditionDaren S. Starnes; Josh Tabor

©2024Experience the best: *The Practice of Statistics* is the ultimate choice for AP® Statistics.

Authored by seasoned high school AP® Statistics educators, Daren Starnes and Josh Tabor, along with a team of experienced AP® teacher/leaders, the Seventh Edition of The Practice of Statistics brings a fresh perspective through 9 Units that align perfectly with the CED.

## Table of Contents

The Practice of Statistics for the AP® Course, 7e

Table of Contents

About the Authors

Content Advisory Board and Supplements Team

Acknowledgments

To the Student

UNIT 1 Exploring One-Variable Data

Part I Data Analysis

Introduction

Section 1A Statistics: The Language of Variation

Section 1B Displaying and Describing Categorical Data

Section 1C Displaying Quantitative Data with Graphs

Section 1D Describing Quantitative Data with Numbers

Unit 1, Part I Wrap-Up

Free Response AP® Problem, Yay!

Unit 1, Part I Review

Unit 1, Part I Review Exercises

Unit 1, Part I AP® Statistics Practice Test

Part II Modeling Distributions of Quantitative Data

Introduction

Section 1E Describing Position and Transforming Data

Section 1F Normal Distributions

Unit 1, Part II Wrap-Up

Free Response AP® Problem, Yay!

Unit 1, Part II Review

Unit 1, Part II Review Exercises

Unit 1, Part II AP® Statistics Practice Test

UNIT 2 Exploring Two-Variable Data

Introduction

Section 2A Relationships Between Two Categorical Variables

Section 2B Relationships Between Two Quantitative Variables

Section 2C Linear Regression Models

Section 2D Analyzing Departures from Linearity

Unit 2 Wrap-Up

Free Response AP® Problem, Yay!

Unit 2 Review

Unit 2 Review Exercises

Unit 2 AP® Statistics Practice Test

UNIT 3 Collecting Data

Introduction

Section 3A Introduction to Data Collection

Section 3B Sampling and Surveys

Section 3C Experiments

Unit 3 Wrap-Up

Free Response AP® Problem, Yay!

Unit 3 Review

Unit 3 Review Exercises

Unit 3 AP® Statistics Practice Test

Unit 3 Project

CUMULATIVE AP® PRACTICE TEST 1

UNIT 4 Probability, Random Variables, and Probability Distributions

Part I Probability

Introduction

Section 4A Randomness, Probability, and Simulation

Section 4B Probability Rules

Section 4C Conditional Probability and Independent Events

Unit 4, Part I Wrap-Up

Free Response AP® Problem, Yay!

Unit 4, Part I Review

Unit 4, Part I Review Exercises

Unit 4, Part I AP® Statistics Practice Test

Part II Random Variables and Probability Distributions

Introduction

Section 4D Introduction to Discrete Random Variables

Section 4E Transforming and Combining Random Variables

Section 4F Binomial and Geometric Random Variables

Unit 4, Part II Wrap-Up

Free Response AP® Problem, Yay!

Unit 4, Part II Review

Unit 4, Part II Review Exercises

Unit 4, Part II AP® Statistics Practice Test

UNIT 5 Sampling Distributions

Introduction

Section 5A Normal Distributions, Revisited

Section 5B What is a Sampling Distribution?

Section 5C Sample Proportions

Section 5D Sample Means

Unit 5 Wrap-Up

Free Response AP® Problem, Yay!

Unit 5 Review

Unit 5 Review Exercises

Unit 5 AP® Statistics Practice Test

CUMULATIVE AP® PRACTICE TEST 2

UNIT 6 Inference for Categorical Data: Proportions

Part I: Inference for One Sample

Introduction

Section 6A Confidence Intervals: The Basics

Section 6B Confidence Intervals for a Population Proportion

Section 6C Significance Tests: The Basics

Section 6D Significance Tests for a Population Proportion

Unit 6, Part I Wrap-Up

Free Response AP® Problem, Yay!

Unit 6, Part I Review

Unit 6, Part I Review Exercises

Unit 6, Part I AP® Statistics Practice Test

Part II: Inference for Two Samples

Introduction

Section 6E Confidence Intervals for a Difference in Population Proportions

Section 6F Significance Tests for a Difference in Population Proportions

Unit 6, Part II Wrap-Up

Free Response AP® Problem, Yay!

Unit 6, Part II Review

Unit 6, Part II Review Exercises

Unit 6, Part II AP® Statistics Practice Test

UNIT 7 Inference for Quantitative Data: Means

Introduction

Section 7A Confidence Intervals for a Population Mean or Mean Difference

Section 7B Significance Tests for a Population Mean or Mean Difference

Section 7C Confidence Intervals for a Difference in Population Means

Section 7D Significance Tests for a Difference in Population Means

Unit 7 Wrap-Up

Free Response AP® Problem, Yay!

Unit 7 Review

Unit 7 Review Exercises

Unit 7 AP® Statistics Practice Test

CUMULATIVE AP® PRACTICE TEST 3

UNIT 8 Inference for Categorical Data: Chi-Square

Section 8A Chi-Square Tests for Goodness of Fit

Section 8B Chi-Square Tests for Independence or Homogeneity

Unit 8 Wrap-Up

Free Response AP® Problem, Yay!

Unit 8 Review

Unit 8 Review Exercises

Unit 8 AP® Statistics Practice Test

UNIT 9 Inference for Quantitative Data: Slopes

Introduction

Section 9A Confidence Intervals for the Slope of a Population Regression Line

Section 9B Significance Tests for the Slope of a Population Regression Line

Unit 9 Wrap-Up

Free Response AP® Problem, Yay!

Unit 9 Review

Unit 9 Review Exercises

Unit 9 AP® Statistics Practice Test

CUMULATIVE AP® PRACTICE TEST 4

Strategies for Success on the AP® Exam

Solutions

Notes and Data Sources

Glossary/Glosario

Index

Formulas for the AP® Exam

Tables

Table A Standard Normal probabilities

Table B t distribution critical values

Table C Chi-square distribution critical values

Table D Random digits

Additional Online Chapters

Analysis of Variance

Multiple Linear Regression

Logistic Regression