AP Statistics: Practice Questions, Units, and Exam Format
Exploring data, sampling, probability, and inference. See exactly what is on the exam, unit by unit, and practise it with a tutor that adapts to you.
Exam format
| Section | Questions | Time | Share of score |
|---|---|---|---|
| Section I: Multiple Choice | 42 | 1 hr 30 min | 50% |
| Section II: Free Response | 4 | 1 hr 30 min | 50% |
Units and exam weights
| Unit | Exam weight | Topics covered |
|---|---|---|
| Exploring One-Variable Data and Collecting Data | 20 to 30% | 1.1 Introducing Statistics: What Can We Learn from Data?, 1.2 Variables, 1.3 Tabular Representation and Summary Statistics for One Categorical Variable, 1.4 Graphical Representations for One Categorical Variable, 1.5 Graphical Representations for One Quantitative Variable, 1.6 Descriptions for One Quantitative Variable Distributions |
| Probability, Random Variables, and Probability Distributions | 15 to 25% | 2.1 Tabular and Graphical Representations for the Distributions of Two Categorical Variables, 2.2 Summary Statistics for Two Categorical Variables, 2.3 Estimating Probabilities Using Simulation, 2.4 Introduction to Probability, 2.5 Mutually Exclusive Events, 2.6 Conditional Probability |
| Inference for Categorical Data: Proportions | 15 to 25% | 3.1 Estimators, 3.2 Sampling Distributions for Sample Proportions, 3.3 Constructing a Confidence Interval for a Population Proportion, 3.4 Justifying a Claim Based on a Confidence Interval for a Population Proportion, 3.5 Setting Up a Test for a Population Proportion, 3.6 p-Values |
| Inference for Quantitative Data: Means | 10 to 20% | 4.1 Sampling Distributions for Sample Means, 4.2 Constructing a Confidence Interval for a Population Mean or Population Mean Difference, 4.3 Justifying a Claim Based on a Confidence Interval for a Population Mean or Population Mean Difference, 4.4 Setting Up a Test for a Population Mean or Population Mean Difference, 4.5 Carrying Out a Test for a Population Mean or Population Mean Difference, 4.6 Sampling Distributions for the Difference Between Two Sample Means |
| Regression Analysis | 10 to 20% | 5.1 Graphical Representations Between Two Quantitative Variables, 5.2 Correlation, 5.3 Linear Regression Models, 5.4 Residuals, 5.5 Least-Squares Regression |
How Kalyta teaches AP Statistics
Practice that adapts to you, an explanation for every answer, and a full rehearsal before the real thing. You spend your time on the units that move your score instead of the ones you have already got.
- Adaptive practice. Questions are picked around your current level, so you are always working just past what you can already do.
- Every answer explained. See why the right answer is right and why each other choice is wrong, with figures and step by step reasoning.
- An AI tutor you can steer. Ask why something works, ask for another example, or tell it to slow down and teach the idea from the start.
- Full exam rehearsals. Sit the real format under real timing and get a predicted score, so test day feels like something you have already done.
- Progress you can see. Watch your readiness climb unit by unit, and know what is solid before you walk in.
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