24 hand-selected questions covering the concepts and calculations that Korean AP Statistics students miss most often —
conditional probability, sampling distributions, inference (t, chi-square, ANOVA), regression inference, and
probability distributions. All numerical answers are programmatically verified (SciPy) and independently re-checked
three times. Everything below is in English so you can train exam-day reading speed.
Directions — read before starting
Select an answer by clicking a choice. Feedback and a full explanation appear immediately — this is a
study mode exam, not a timed no-feedback simulation.
Use the on-screen Desmos calculator for any computation — exactly as permitted on the real AP Statistics exam.
Click any numbered dot above to jump straight to that question.
Click PRINT to generate a blank, ink-efficient paper copy with a full answer key + rationale
on the final page — ideal for a closed-book timed redo.
Every explanation states not just the correct answer, but exactly why each wrong choice reflects a common
calculation or conceptual error.