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AP®︎ Statistics Study Guides

Prepare for your quiz, test, or the AP exam with comprehensive study guides that cover everything you need to know. Select a unit or topic to begin.

Unit 1: Exploring One-Variable Data and Collecting Data

All Topics
Complete Unit Review

Topic 1.1
Introducing Statistics: What Can We Learn from Data?

Topic 1.2
Variables

Topic 1.3
Tabular Representation and Summary Statistics for One Categorical Variable

Topic 1.4
Graphical Representations for One Categorical Variable

Topic 1.5
Graphical Representations for One Quantitative Variable

Topic 1.6
Descriptions for One Quantitative Variable Distributions

Topic 1.7
Summary Statistics for One Quantitative Variable

Topic 1.8
Graphical Representations of Summary Statistics for One Quantitative Variable

Topic 1.9
Comparisons of the Distributions for One Quantitative Variable

Topic 1.10
The Investigative Question Revisited and Data Collection

Topic 1.11
Random Sampling

Topic 1.12
Potential Problems with Sampling

Topic 1.13
Experimental Design

Unit 2: Probability, Random Variables, and Probability Distributions

All Topics
Complete Unit Review

Topic 2.1
Tabular and Graphical Representations for the Distributions of Two Categorical Variables

Topic 2.2
Summary Statistics for Two Categorical Variables

Topic 2.3
Estimating Probabilities Using Simulation

Topic 2.4
Introduction to Probability

Topic 2.5
Mutually Exclusive Events

Topic 2.6
Conditional Probability

Topic 2.7
Independent Events and Unions of Events

Topic 2.8
Introduction to Random Variables and Probability Distributions

Topic 2.9
Parameters of Random Variables

Topic 2.10
The Binomial Distribution

Topic 2.11
The Normal Distribution

Topic 2.12
Sampling Distributions and the Central Limit Theorem

Unit 3: Inference for Categorical Data: Proportions

All Topics
Complete Unit Review

Topic 3.1
Estimators

Topic 3.2
Sampling Distributions for Sample Proportions

Topic 3.3
Constructing a Confidence Interval for a Population Proportion

Topic 3.4
Justifying a Claim Based on a Confidence Interval for a Population Proportion

Topic 3.5
Setting Up a Test for a Population Proportion

Topic 3.6
P-Values

Topic 3.7
Carrying Out a Test for a Population Proportion

Topic 3.8
Potential Errors When Performing Tests

Topic 3.9
Sampling Distributions for the Difference Between Sample Proportions

Topic 3.10
Constructing a Confidence Interval for the Difference Between Two Population Proportions

Topic 3.11
Justifying a Claim Based on a Confidence Interval for the Difference Between Two Population Proportions

Topic 3.12
Setting Up a Test for the Difference Between Two Population Proportions

Topic 3.13
Carrying Out a Test for the Difference Between Two Population Proportions

Topic 3.14
Setting Up a Chi-Square Test for Homogeneity or Independence

Topic 3.15
Carrying Out a Chi-Square Test for Homogeneity or Independence

Unit 4: Inference for Quantitative Data: Means

All Topics
Complete Unit Review

Topic 4.1
Sampling Distributions for Sample Means

Topic 4.2
Constructing a Confidence Interval for a Population Mean or Population Mean Difference

Topic 4.3
Justifying a Claim Based on a Confidence Interval for a Population Mean or Population Mean Difference

Topic 4.4
Setting Up a Test for a Population Mean or Population Mean Difference

Topic 4.5
Carrying Out a Test for a Population Mean or Population Mean Difference

Topic 4.6
Sampling Distributions for the Difference Between Two Sample Means

Topic 4.7
Constructing a Confidence Interval for the Difference Between Two Population Means

Topic 4.8
Justifying a Claim Based on a Confidence Interval for the Difference Between Two Population Means

Topic 4.9
Setting Up a Test for the Difference Between Two Population Means

Topic 4.10
Carrying Out a Test for the Difference Between Two Population Means

Unit 5: Regression Analysis

All Topics
Complete Unit Review

Topic 5.1
Graphical Representations Between Two Quantitative Variables

Topic 5.2
Correlation

Topic 5.3
Linear Regression Models

Topic 5.4
Residuals

Topic 5.5
Least-Squares Regression

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