AP Statistics Practice Exam

The AP Statistics exam is built from two sections that each carry equal weight and each last 90 minutes, for a total of 180 minutes and 46 questions.

Section I is multiple choice: 40 questions in 90 minutes. These questions span the full course, testing your ability to read and interpret data displays, reason about sampling and experimental design, apply probability rules, work with sampling distributions, and evaluate confidence intervals and significance tests. You get roughly a couple of minutes per question, so quick, accurate reasoning matters.

Section II is free response: 6 questions in 90 minutes. Five of these are typically shorter, focused tasks, and the sixth is an extended Investigative Task that asks you to combine several skills and reason through an unfamiliar scenario. Free response rewards clear statistical communication: stating assumptions, showing your process, interpreting results in context, and justifying conclusions in plain language.

The four big skill categories woven through both sections are selecting statistical methods, describing data and modeling patterns, using probability and simulation, and building sound statistical arguments with evidence. Because the multiple-choice and free-response halves are equally weighted, strong preparation means practicing both formats deliberately rather than favoring the one that feels easier.

Understanding this structure early helps you budget time, avoid over-practicing one skill, and walk into the exam knowing exactly what to expect from each section.

Your AP Statistics score is a single number from 1 to 5, but it is built from two separately graded parts that are then combined.

The multiple-choice section is scored by the number of correct answers out of 40, with no penalty for wrong answers, so it is always worth attempting every question. The free-response section is graded by human readers using scoring guidelines, where each of the 6 questions earns points based on how completely and correctly you communicate your statistical reasoning. Partial credit is common, which is why showing your work and interpreting results in context matters.

The two sections are weighted equally when they are combined into a composite score. That composite is then mapped onto the 1-5 scale. The exact conversion from raw points to a final 1 through 5 changes from year to year because it is set through a standardization process, so there is no fixed, published cut score you can memorize in advance.

What this means practically: to move your score up, you cannot rely on multiple choice alone. A student who is strong on multiple choice but weak on free-response communication leaves a full half of the exam underused. Balanced practice across both formats, plus attention to clear written justification, is the most reliable path. When you take practice exams, score both halves and track them separately so you can see which side of the exam is holding your composite back.

Crimsora full-length mocks are designed to feel like the real thing. Each mock follows the exact structure of the AP Statistics exam: a 40-question multiple-choice section in 90 minutes, followed by a 6-question free-response section in 90 minutes, for the full 180-minute experience. The timer runs like exam day, so you build the pacing and stamina that a real sitting demands.

When you finish, your mock is scored on the 1-5 scale using exam-day-style weighting that combines your multiple-choice and free-response performance, giving you a realistic estimate rather than a raw percentage. This helps you see where you actually stand well before May.

Beyond the score, you get a concept-level report that breaks down your results by topic and skill, showing whether your gaps are in, say, sampling distributions, experimental design, inference for means, or interpreting confidence intervals. Instead of a vague sense that you need to study more, you see precisely which concepts cost you points.

Every question you miss is reviewed by an AI voice tutor that walks you through the reasoning out loud, explains why the correct approach works, and clears up the misconception behind your answer. For free response, that means feedback on how to structure and communicate a complete solution, not just the final result.

The combination of realistic timing, honest 1-5 scoring, targeted diagnostics, and per-question review turns each mock into a focused study plan instead of just another test.

Practice exams work best when you treat them as tools at different stages, not as something to cram all at once at the end.

Start with a diagnostic mock early in your preparation, even if you have not finished the whole course. An early full-length gives you a baseline score, reveals which units already make sense, and shows where you will need the most work. It also removes the surprise factor by exposing you to the real 180-minute structure from the beginning.

In the middle of your prep, lean on the concept-level report rather than raw scores. Review quality beats sheer volume: it is far more valuable to fully understand every question you missed and fix the underlying misconception than to rush through many exams without reflecting. Use the AI voice tutor to close each gap before moving on, and revisit weak topics with targeted study before testing them again.

As May approaches, schedule spaced full-length mocks, roughly one every week or two, under strict timing. This builds endurance for the full two-section, three-hour format and sharpens your pacing so you are not caught off guard by the equal weight of multiple choice and free response.

Always review both halves of each mock. Score your free response against the reasoning the tutor models, not just whether your final answer matched. Over time, track your 1-5 estimates and your topic breakdown so you can watch specific weaknesses shrink. Done this way, a handful of well-reviewed practice exams will move your score more than dozens of unreviewed ones.