A survey asked people "On what percent of days do you get more than 30 minutes of vigorous
Exercise?" Using their responses we want to estimate the difference in exercise frequency between
Men and women. We should use a
A) matched pairs t-interval
B) 1-proportion z-interval
C) 2-sample t-interval
D) 1-sample t-interval
E) 2-proportion z-interval

Question

Quizplus · Accepted Answer

A 2-sample t-interval is appropriate for estimating the difference in means between two independent groups, such as men and women, based on their responses.

A Survey Asked People "On What Percent of Days Do