AP Statistics

Dive into unit 1 of AP Statistics: Exploring One Variable Data! Start the course by learning about displaying and describing categorical data, normal distributions, and analyzing graphs. With these helpful study guides, review videos, and slides, you'll be prepared to do well on the AP exam!

Unit 1 – Exploring One-Variable Data

1.9 Comparing Distributions of a Quantitative Variable

Analyzing Categorical Data

Analyzing Categorical Data - Slides

Normal Curve and Normal Calculations

1.6 Describing the Distribution of a Quantitative Variable

1.4 Representing a Categorical Variable with Graphs

1.3 Representing a Categorical Variable with Tables

Late Medieval Review (Units 1-2) 

Normal Distributions

Presentation Slides, Normal Distributions

Describing Location in a Distribution

Displaying Quantitative Data with Graphs

Late Medieval Review (Units 1-2) - 5/7

Late Medieval Review (Units 1-2) - 5/7 - Slides

Unit 1 Overview: Exploring
One-Variable
Data

1.5 Representing a Quantitative Variable with Graphs

1.10 The Normal Distribution

1.7 Summary Statistics for a Quantitative Variable

1.1 Introducing Statistics: What Can We Learn from Data?

AP Stats Unit 1 Review

Describing Location in a Distribution - Slides

1.2 The Language of Variation: Variables

1.12 MC Answers and Review

1.8 Graphical Representations of Summary Statistics

1.11 Multiple Choice Questions

This is an overview of unit 2 of AP Statistics: Exploring Two Variable Data. Dive into bivariate data, causation vs. correlation, residuals, and linear regression models and build upon your unit 1 knowledge!

Unit 2 – Exploring Two-Variable Data

2.3 Statistics for Two Categorical Variables

2.4 Representing the Relationship Between Two Quantitative Variables

Advanced Linear Regression

Scatterplots & Association

Describing Association for Bivariate Data Part 1 - Slides

2.11 MC Answers and Review

 Unit 2 Overview: Exploring
Two-Variable
Data

Describing Association for Bivariate Data Part 3 - Slides

2.9 Analyzing Departures from Linearity

2.5 Correlation

2.1 Introducing Statistics: Are Variables Related?

Least-Squares Regression Lines

Describing Association for Bivariate Data Part 2 - Slides

2.6 Linear Regression Models

Exploring Two Variable Data

2.2 Representing Two Categorical Variables

2.8 Least Squares Regression

Presentation Slides, Two Variable Data

2.10 Multiple Choice Questions

2.7 Residuals

Dive into unit 3 of AP Statistics: Collecting Data! Learn how to design and plan experiments and studies and how to choose sampling data. We also go over source bias and causation vs. correlation.

Unit 3 – Collecting Data

3.9 MC Answers and Review

Sampling Methods and Sources of Bias

Sampling Methods and Sources of Bias - Slides

Experiments and Observational Studies

Experiments and Observational Studies - Slides

3.2 Introduction to Planning a Study

3.1 Introducing Statistics: Do the Data We Collected Tell the Truth?

3.5 Introduction to Experimental Design

3.7 Inference and Experiments

3.3 Random Sampling and Data Collection

3.4 Potential Problems with Sampling

3.6 Selecting an Experimental Design

3.8 Multiple Choice Questions

Unit 3 Overview: Collecting Data

Explore unit 4 of AP Statistics: Probability. Learn all about the binomial distribution, binomial and geometric distributions, conditional probability, and mutually exclusive events!

Unit 4 – Probability, Random Variables, & Probability Distributions

4.11 Parameters for a Binomial Distribution

4.9 Combining Random Variables

4.2 Estimating Probabilities Using Simulation

4.7 Introduction to Random Variables and Probability Distributions

Randomness, Probability and Simulation

Powerpoint slides

Unit 4 Overview:  Probability, Random Variables, and Probability Distributions

Combining Random Variables

Presentation Slides, Combining Random Vairables

Probability: Random Variables, Binomial/Geometric Distributions

Probability Review: Random Variables, Binomial/Geometric Distributions - Slides

4.1 Introducing Statistics: Random and Non-Random Patterns?

4.14 MC Answers and Review

Conditional Probability and Independence

presentation Slides, Conditional Probability

4.6 Independent Events and Unions of Events

4.5 Conditional Probability

4.8 Mean and Standard Deviation of Random Variables

4.3 Introduction to Probability

4.4 Mutually Exclusive Events

Probability: Two-Way Tables, Conditional, Independence, Tree Diagrams, etc

4.10 Introduction to the Binomial Distribution

4.12 The Geometric Distribution

4.13 Multiple Choice Questions

Master unit 5 of AP Statistics: Sampling Distributions with our extensive resources! Learn about the cental limit theorem, point estimates, and how to use sampling distributions for sample means and proportions with our resources! 

Unit 5 – Sampling Distributions

Sampling Distributions for Differences of means and proportions

Presentation Slides, Sampling Distributions

Sampling Distributions for Proportions

Sampling Distributions for Proportions - Slides

5.3 The Central Limit Theorem

5.0 Unit 5 Overview: Sampling
Distributions

5.5 Sampling Distributions for Sample Proportions

5.7 Sampling Distributions for Sample Means 

5.1 Introducing Statistics: Why Is My Sample Not Like Yours?

5.6 Sampling Distributions for Differences in Sample Proportions

5.2 The Normal Distribution, Revisited

5.4 Biased and Unbiased Point Estimates

Sampling Distributions for Means

5.8 Sampling Distributions for Differences in Sample Means

Sampling Distributions for Means - Slides

5.10 MC Answers and Review

5.9 Multiple Choice Questions

Unit 5 Overview: Sampling
Distributions

Dig deep into unit 6 of AP Statistics—Inference for Categorical Data: Proportions. Set up confidence intervals and become a pro at conducting significance tests for proportions!

Unit 6 – Proportions

6.1 Introducing Statistics: Why Be Normal?

Inference: Confidence Intervals for Proportions

Inference: Confidence Intervals for Proportions - Slides

Inference: Hypothesis Tests for Proportions

6.4 Setting Up a Test for a Population Proportion

6.6 Concluding a Test for a Population Proportion

6.3 Justifying a Claim Based on a Confidence Interval for a Population Proportion

6.8 Confidence Intervals for the Difference of Two Proportions

6.7 Potential Errors When Performing Tests

6.13 MC Answers and Review

6.5 Interpreting p-Values

Presentation Slides, Inference: Hypothesis test for proportions

6.9 Justifying a Claim Based on a Confidence Interval for a Difference of Population Proportions

6.11 Carrying Out a Test for the Difference of Two Population Proportions

Unit 6 Overview: Inference for
Categorical Data:
Proportions

6.2 Constructing a Confidence Interval for a Population Proportion

6.10 Setting Up a Test for the Difference of Two Population Proportions

6.12 Multiple Choice Questions

This is an overview of unit 7 of AP Statistics—inference for qualitative data: means. Build upon unit 6 and learn how to set up confidence intervals and significance tests for means! We also have resources to help you gauge when and how to use t and z tests.

Unit 7 – Means

7.4 Setting Up a Test for a Population Mean

7.7 Justifying a Claim About the Difference of Two Means Based on a Confidence Interval

7.3 Justifying a Claim About a Population Mean Based on a Confidence Interval

7.6 Confidence Intervals for the Difference of Two Means

Inference: Hypothesis Tests for Means

Presentation Slides, Hypothesis Tests for Means

Review of Inference: z and t Procedures

Presentation Slides, z and t procedures

Unit 7 Overview: Means

7.5 Carrying Out a Test for a Population Mean

7.2 Constructing a Confidence Interval for a Population Mean

7.10 Skills Focus: Selecting, Implementing, and Communicating Inference Procedures

7.1 Introducing Statistics: Should I Worry About Error?

Inference: Confidence Intervals for Means

Inference: Confidence Intervals for Means - Slides

7.8 Setting Up a Test for the Difference of Two Population Means

Inference: Errors & Power of Tests

Inference: Errors & Power of Tests Slides, Errors and Power

7.12 MC Answers and Review

7.9 Carrying Out a Test for the Difference of Two Population Means

7.11 Multiple Choice Questions

Master unit 8 of AP Statistics—inference for categorical data: chi square! With our comprehensive resources, learn how to use the chi-square statistic for hypothesis testing! We also cover how to use the formula sheet on test day.

Unit 8 – Chi-Squares

8.1 Introducing Statistics: Are My Results Unexpected?

8.7 Skills Focus: Selecting an Appropriate Inference Procedure for Categorical Data

8.9 MC Answers and Review

8.2 Setting Up a Chi Square Goodness of Fit Test

8.4 Expected Counts in Two Way Tables

8.6 Carrying Out a Chi-Square Test for Homogeneity or Independence

8.8 Multiple Choice Questions

8.3 Carrying Out a Chi Square Goodness of Fit Test

Unit 8 Overview: Chi Square

8.5 Setting Up a Chi-Square Test for Homogeneity or Independence

Finish up AP Stats with unit 9\—inference for quanitative data: slopes. Learn how to set up confidence intervals and conduct significance tests for slopes of regression models! Use our resources to review important formulas and equations and become prepared for exam day!

Unit 9 – Slopes

9.4 Setting Up a Test for the Slope of a Regression Model

9.5 Carrying Out a Test for the Slope of a Regression Model

9.3 Justifying a Claim About the Slope of a Regression Model Based on a Confidence Interval

9.6 Skills Focus: Selecting an Appropriate Inference Procedure

9.2 Confidence Intervals for the Slope of a Regression Model

9.1 Introducing Statistics: Do Those Points Align?

9.8 MC Answers and Review

9.0 Unit 9 Overview: Slopes

9.7 Multiple Choice Questions

Unit 9 Overview: Slopes

Frequently Asked Questions

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AP Statistics Cheat Sheet PDF & Formula Review Chart

What is bias?

With these resources, you'll be ready to ace the multiple choice question section on the AP Statistics exam! We cover key concepts, important equations, logistics, and even exam strategies. You'll also be able to practice your skills with practice questions and be ready for exam day!

Multiple Choice Questions (MCQs)

With our resources, learn how to master the free response question section on the AP Statistics exam featuring practice prompts with student responses and teacher feedback, logistics, key concepts, and helpful tips, you'll be ready to ace the exam. We also go through the rubric and key equations. 

📊AP Statistics - Unit 9 – Slopes

Study Guides

9.0 Unit 9 Overview: Slopes

Unit 9 Overview: Slopes

9.1 Introducing Statistics: Do Those Points Align?

9.1 Introducing Statistics: Do Those Points Align?

9.2 Confidence Intervals for the Slope of a Regression Model

9.3 Justifying a Claim About the Slope of a Regression Model Based on a Confidence Interval

9.3 Justifying a Claim About the Slope of a Regression Model Based on a Confidence Interval

9.4 Setting Up a Test for the Slope of a Regression Model

9.4 Setting Up a Test for the Slope of a Regression Model

9.5 Carrying Out a Test for the Slope of a Regression Model

9.5 Carrying Out a Test for the Slope of a Regression Model

9.6 Skills Focus: Selecting an Appropriate Inference Procedure

9.7 Multiple Choice Questions

9.8 MC Answers and Review

9.8 MC Answers and Review

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