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) 2-proportion z-interval
B) 1 -proportion z-interval
C) 2-sample t-interval
D) 1 -sample t-interval
E) matched pairs t-interval

Question

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) 2-proportion z-interval
B) 1 -proportion z-interval
C) 2-sample t-interval
D) 1 -sample t-interval
E) matched pairs t-interval

Quizplus · Accepted Answer

The survey involves comparing the means of two independent groups (men and women), so a 2-sample t-interval is appropriate for estimating the difference in exercise frequency.

A Survey Asked People "On What Percent of Days Do