UnofficialAP StatisticsUnit 7 of 9

AP Statistics Unit 7: Inference for Quantitative Data: Means

t-intervals and t-tests for means and paired data.

Free-response practice

Original practice questions in the free-response style. You score them with a point-by-point rubric; AI grading appears only when this site has it configured.

FRQUnit 7

Estimating Average Sleep

4-point free-response question. Write your answer, then score it with the rubric and model answer.

Descriptive Statistics Study Guide (study guide)
Statistics Formulas cheat sheet (one-page formulas)
Descriptive Statistics Quiz (quick quiz)
Statistics practice problems (with worked solutions)

See the AP Statistics exam format and every unit on the course page.

Free-response practice

More practice on this site