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# The Practice of Statistics

## Sixth EditionDaren S. Starnes; Josh Tabor

©2018Get everything you need to be successful in the AP^{®} Statistics course with *Practice of Statistics, Sixth Edition*. Designed using the same style, nomenclature, and language used on the AP^{®} Statistics exam, this text utilizes technology to provide extensive support all while teaching the content you need to know for the exam through a data analysis approach. Find success in the course and on the exam with the careful attention to detail the authors pay, aligning the text with what you really need to know.

## Table of Contents

**About the Authors AcknowledgmentsTo the Student Overview: What Is Statistics?**

**1 Data AnalysisIntroduction: The Science and Art of Data**

**1.1**Analyzing Categorical Data

**1.2**Displaying Quantitative Data with Graphs

**1.3**Describing Quantitative Data with Numbers

Chapter 1 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 1 Review

Chapter 1 Review Exercises

Chapter 1 AP® Statistics Practice Test

Chapter Project

**2 Modeling Distributions of Data**

Introduction **2.1** Describing Location in a Distribution **2.2** Density Curves and Normal Distributions

Chapter 2 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 2 Review

Chapter 2 Review Exercises

Chapter 2 AP® Statistics Practice Test

**3 Describing Relationships**

Introduction **3.1** Scatterplots and Correlation **3.2** Least-Squares Regression

Chapter 3 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 3 Review

Chapter 3 Review Exercises

Chapter 3 AP® Statistics Practice Test

Chapter Project

**4 Collecting Data**

Introduction **4.1** Sampling and Surveys **4.2** Experiments **4.3** Using Studies Wisely

Chapter 4 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 4 Review

Chapter 4 Review Exercises

Chapter 4 AP® Statistics Practice Test

Chapter Project **Cumulative AP® Practice Test 1**

**5 Probability: What Are the Chances?**Introduction

**5.1**Randomness, Probability, and Simulation

**5.2**Probability Rules

**5.3**Conditional Probability and Independence

Chapter 5 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 5 Review

Chapter 5 Review Exercises

Chapter 5 AP® Statistics Practice Test

**6 Random Variables**Introduction

**6.1**Discrete and Continuous Random Variables

**6.2**Transforming and Combining Random Variables

**6.3**Binomial and Geometric Random Variables

Chapter 6 Wrap-Up

**Free Response AP® Problem, Yay!**

**Chapter 6 Review**

**Chapter 6 Review Exercises**

**Chapter 6 AP® Statistics Practice Test**

**7 Sampling Distributions**

Introduction **7.1** What Is a Sampling Distribution? **7.2** Sample Proportions **7.3** Sample Means

Chapter 7 Wrap-Up

**Free Response AP® Problem, Yay! **

**Chapter 7 Review**

**Chapter 7 Review Exercises**

**Chapter 7 AP® Statistics Practice Test**

Cumulative AP® Practice Test 2

Cumulative AP® Practice Test 2

**8 Estimating with Confidence**Introduction

**8.1**Confidence Intervals: The Basics

**8.2**Estimating a Population Proportion

**8.3**Estimating a Population Mean

Chapter 8 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 8 Review

Chapter 8 Review Exercises

Chapter 8 AP® Statistics Practice Test

**9 Testing a Claim**

Introduction

**9.1**Significance Tests: The Basics

**9.2**Tests about a Population Proportion

**9.3**Tests about a Population Mean

Chapter 9 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 9 Review

Chapter 9 Review Exercises

Chapter 9 AP® Statistics Practice Test

**10 Comparing Two Populations or Groups**

Introduction **10.1** Comparing Two Proportions **10.2** Comparing Two Means **10.3** Comparing Two Means: Paired Data

Chapter 10 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 10 Review

Chapter 10 Review Exercises

Chapter 10 AP® Statistics Practice Test

Chapter Project

Cumulative AP® Practice Test 3

**11 Inference for Distributions of Categorical Data**

Introduction **11.1** Chi-Square Tests for Goodness of Fit **11.2** Inference for Two-Way Tables

Chapter 11 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 11 Review

Chapter 11 Review Exercises

Chapter 11 AP® Statistics Practice Test

**12 More about Regression**

Introduction **12.1** Inference for Linear Regression **12.2** Transforming to Achieve Linearity

Chapter 12 Wrap-Up

Free Response AP® Problem, Yay!

Chapter 12 Review

Chapter 12 Review Exercises

Chapter 12 AP® Statistics Practice Test

Final Project

Cumulative AP® Practice Test 4

**Notes and Data SourcesSolutionsGlossary/Glosario**

**About the AP® Exam**

**Formulas for AP® Statistics Exam**

Tables

Tables

Table A: Standard Normal Probabilities T-1

Table B: t Distribution Critical Values T-3

Table C: Chi-Square Distribution

Critical Values T-4

Table D: Random Digits T-5

**IndexTechnology Corners ReferenceInference SummaryAdditional Online topics 13 Analysis of Variance14 Multiple Linear Regression15 Logistic Regression**