AP Statistics Practice Test
AP Statistics teaches the four big ideas of statistical reasoning: variation, distribution, inference, and modeling. The May 2026 exam is a hybrid digital exam: 40 multiple-choice questions in the Bluebook app (90 min) and 6 handwritten free-response answers in a paper booklet (90 min). Both sections allow a graphing calculator and provide a formulas + tables reference. The exam expects you to interpret calculator output and write conclusions in context.
Practice AP Statistics multiple-choice questions in a digital interface modeled on the real College Board Bluebook exam. Upload your own PDF or solve a published mock test, then get instant AI scoring and detailed answer explanations. Free for all students.
Complete Guide
Read the AP Statistics complete study guide
Exam format, unit-by-unit breakdown, top FAQs from r/APStudents, study timeline, and study resources.
Exam format
40
questions
180
minutes
Hybrid digital (MCQ digital + paper FRQ)
| Section | Questions | Time | Score weight |
|---|---|---|---|
Section 1 (MCQ) | 40 | 90 min | 50% |
Section 2 Part A (FRQ 1-5) Recommended ~13 min/question. Topics: collecting data, exploring data, probability/sampling distributions, inference, multi-skill. | 5 | 65 min | 37.5% |
Section 2 Part B: Investigative Task (FRQ 6) Applies multiple skills to a novel context. | 1 | 25 min | 12.5% |
Course units and exam weights
- Unit 1: Exploring One-Variable Data15-23%
- Unit 2: Exploring Two-Variable Data5-7%
- Unit 3: Collecting Data12-15%
- Unit 4: Probability, Random Variables, and Probability Distributions10-20%
- Unit 5: Sampling Distributions7-12%
- Unit 6: Inference for Categorical Data: Proportions12-15%
- Unit 7: Inference for Quantitative Data: Means10-18%
- Unit 8: Inference for Categorical Data: Chi-Square2-5%
- Unit 9: Inference for Quantitative Data: Slopes2-5%
Source: College Board AP Students Course and Exam Description.
Published AP Statistics practice exams
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Each question is scored against the stored key in real time. After you submit, you can review every wrong answer with an AI-written explanation that grounds the reasoning in the original PDF page.
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Statistics FAQ
- How long is the AP Statistics exam and how is it structured?
- The exam is 3 hours total: 90 minutes for 40 multiple-choice questions (50%) and 90 minutes for 6 free-response questions (50%). Section 2 splits into Part A (5 FRQs, ~13 min each, 37.5%) and Part B (1 investigative task, ~25 min, 12.5%).
- Do I need a calculator for the AP Statistics exam?
- Yes. A graphing calculator with statistics functions (TI-84, NumWorks, Casio fx-CG50, etc.) is required for both sections. Know how to use invNorm, tcdf, chi-square test, 1-sample/2-sample tests, and 1-Var Stats efficiently.
- What are the most common AP Statistics free-response topics?
- FRQ 1-2 are usually data collection (sampling, experimental design) and exploring data. FRQ 3-5 hit probability, sampling distributions, and inference (1- or 2-sample t-tests, z-tests for proportions). The investigative task at the end always combines multiple units in a novel context.
- Is AP Statistics harder than AP Calculus?
- They test different skills. Statistics has less algebra but heavy interpretation, conditions checking, and writing. Calculus is more procedural. Many students find Statistics easier mathematically but harder to communicate clearly — losing points for missing context, parameters, or assumption checks.