AP Statistics · Past multiple choice · Question 11, 2025 printing of the earlier course · Calculator allowed
Migraine dosage experiment
Four doses of a medicine are randomly assigned to twenty people who get migraines. Identify the experimental units.
The lesson this question tests
1 Read the question
The question is College Board's: sample question 11 in AP Statistics Course and Exam Description. It starts on page 251 of the PDF. College Board no longer posts this edition, so it opens from the copy the Internet Archive saved on February 9, 2026. A graphing calculator is allowed, as on the exam.
Open Question 11 (PDF, page 251)
2 Pick your answer
Question and answer key: College Board, from the Internet Archive. The title and summary are ours.