AP Statistics · Past multiple choice · Question 2, 2010 course description · Calculator allowed
When stratifying beats a simple random sample
Choose the way of forming strata that makes a stratified sample worth using instead of a simple random one.
The lesson this question tests
1 Read the question
The question is College Board's: sample question 2 in AP Statistics Course Description, Effective Fall 2010. It starts on page 24 of the PDF. College Board no longer posts this edition, so it opens from the copy the Internet Archive saved on January 1, 2011. A graphing calculator is allowed, as on the exam.
Open Question 2 (PDF, page 24)
2 Pick your answer
Question and answer key: College Board, from the Internet Archive. The title and summary are ours.