Yes. The free plan includes 5 practice tests per course. Full access is $19.99/mo per course.

What exams does Cognify cover?

Cognify covers AP Psychology, Digital SAT, AP Biology, and AP Statistics with practice tests, rubric-graded FRQs, and score prediction.

How does Cognify compare to Khan Academy?

Cognify focuses on exam-format practice with AI grading and score prediction. Khan Academy provides broad video instruction. Cognify is purpose-built for AP and SAT exam day performance.

How does Cognify compare to UWorld and Princeton Review?

UWorld and Princeton Review rely on static question banks that students exhaust after a few sessions. Cognify generates fresh questions on demand against the official College Board exam blueprint, so every practice test is unique. FRQs are graded point-by-point against AP rubrics with specific feedback on what you earned and missed.

How accurate is the AP score prediction?

Cognify maps your percentage correct to the public AP composite scoring buckets (1-5) using historical score distributions. The prediction improves as you take more practice tests. For the Digital SAT, scores map to the 400-1600 scale using official section score conversion tables.

Does Cognify cover AP FRQ practice?

Yes. Cognify provides rubric-graded FRQ practice for AP Psychology, AP Biology, and AP Statistics. Each response is scored criterion by criterion against the official AP rubric with specific written feedback explaining what you earned, what you missed, and how to improve.

AP Statistics -- Exam: May 7, 2026

AP Statistics practice with inference-test guidance

AI-generated MCQs and FRQs across all 9 units. Know exactly which inference test to use, why, and how to communicate your reasoning on the exam.

3 free tests Free plan included 9 units covered

What you get with AP Stats practice

All 9 units covered

Exploring Data, Normal Distributions, Collecting Data, Probability, Sampling Distributions, Inference for Proportions, Inference for Means, Chi-Square, and Regression.

Inference test guide

The most common AP Stats mistake is picking the wrong test. Cognify teaches you to identify the right inference procedure for every scenario.

AP score prediction

Based on MCQ and FRQ accuracy, see your predicted AP score (1-5) and which units need the most work.

Calculator-ready practice

Questions mirror the calculator-active section format so you practice the same way you'll test.

AP Stats study tips from top scorers

Build an inference test flowchart

Create a decision tree: proportions vs means, one sample vs two, paired vs independent. This single tool solves the most common AP Stats mistake.

Practice writing conclusions in context

The AP Stats rubric specifically awards points for stating conclusions in the context of the problem. 'Reject H0' alone is not enough — you must explain what it means for the scenario.

Don't neglect experimental design

Units 3-4 (Collecting Data and Probability) often appear as the first FRQ. Know randomization, blocking, and sampling methods cold.

AP Stats practice test FAQ

How many AP Statistics practice questions does Cognify have?: Questions are generated on-demand by AI using the College Board's AP Statistics CED. The bank is effectively unlimited with non-repeating questions across all 9 units.
Does Cognify help with AP Stats FRQs?: Yes. FRQ responses are graded against the official rubric with feedback on statistical reasoning, communication, and whether you correctly identified conditions, performed the right test, and stated a proper conclusion.
When is the AP Statistics exam in 2026?: The AP Statistics exam is scheduled for May 7, 2026.
What's the hardest part of AP Statistics?: Most students struggle with inference test selection (Units 6-9) — knowing when to use a z-test vs t-test vs chi-square vs regression slope test. Cognify provides targeted practice on exactly this skill.
Is there a free AP Stats practice test?: Yes. The free plan includes 5 practice tests for AP Statistics, Unit 1 MCQ format.

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All features Pricing How it works

Start your AP Stats practice now

5 free tests per course on the free plan. See your predicted score before exam day.

What you get with AP Stats practice

All 9 units covered

Exploring Data, Normal Distributions, Collecting Data, Probability, Sampling Distributions, Inference for Proportions, Inference for Means, Chi-Square, and Regression.

Inference test guide

The most common AP Stats mistake is picking the wrong test. Cognify teaches you to identify the right inference procedure for every scenario.

AP score prediction

Based on MCQ and FRQ accuracy, see your predicted AP score (1-5) and which units need the most work.

Calculator-ready practice

Questions mirror the calculator-active section format so you practice the same way you'll test.

AP Stats study tips from top scorers

Build an inference test flowchart

Create a decision tree: proportions vs means, one sample vs two, paired vs independent. This single tool solves the most common AP Stats mistake.

Practice writing conclusions in context

The AP Stats rubric specifically awards points for stating conclusions in the context of the problem. 'Reject H0' alone is not enough — you must explain what it means for the scenario.

Don't neglect experimental design

Units 3-4 (Collecting Data and Probability) often appear as the first FRQ. Know randomization, blocking, and sampling methods cold.

AP Stats practice test FAQ

How many AP Statistics practice questions does Cognify have?

Questions are generated on-demand by AI using the College Board's AP Statistics CED. The bank is effectively unlimited with non-repeating questions across all 9 units.

Does Cognify help with AP Stats FRQs?

Yes. FRQ responses are graded against the official rubric with feedback on statistical reasoning, communication, and whether you correctly identified conditions, performed the right test, and stated a proper conclusion.

When is the AP Statistics exam in 2026?

The AP Statistics exam is scheduled for May 7, 2026.

What's the hardest part of AP Statistics?

Most students struggle with inference test selection (Units 6-9) — knowing when to use a z-test vs t-test vs chi-square vs regression slope test. Cognify provides targeted practice on exactly this skill.

Is there a free AP Stats practice test?

Yes. The free plan includes 5 practice tests for AP Statistics, Unit 1 MCQ format.