AP Statistics · Past multiple choice · Question 13 · Calculator allowed
Raising the confidence level on commute data
The same sample is reused for a higher confidence level. Decide what happens to the interval and its parts.
The lesson this question tests
1 Read the question
The question is College Board's: sample question 13 in AP Statistics Course and Exam Description, Effective Fall 2026. It starts on page 170 of the PDF. A graphing calculator is allowed, as on the exam.
Open Question 13 (PDF, page 170)
2 Pick your answer
Question and answer key: College Board. The title and summary are ours.