AP Statistics

Exam Breakdown

Section I: Multiple Choice | 40 Questions | 1 Hour and 30 Minutes | 50% of Exam Score


Section II: Free Response | 6 Questions | 1 Hour and 30 Minutes | 50% of Exam Score

Multipart Questions: 5 Questions | 1 Hour | Each Question Focuses Either on Collecting Data, Exploring Data, Probability/Sampling, Inference, and 2 Or More Skills

Investigative Task: 1 Question | 30 Minutes | Application of Skills in New Contexts


*Graphing Calculator Required Throughout Exam

Units

Unit 1: Exploring One-Variable Data | 15–23% 

Unit 2: Exploring Two-Variable Data | 5–7% 

Unit 3: Collecting Data | 12–15% 

Unit 4: Probability, Random Variables, and Probability Distributions | 10–20% 

Unit 5: Sampling Distributions | 7–12% 

Unit 6: Inference for Categorical Data: Proportions | 12–15% 

Unit 7: Inference for Quantitative Data - Means | 10–18% 

Unit 8: Inference for Categorical Data - Chi-Square | 2–5% 

Unit 9: Inference for Quantitative Data - Slopes | 2–5%

Resources