Section 1
Two Samples: Paired versus Independent Samples
Descriptions of four studies are given. In each of the studies, the two populations of interest are the students at a particular university who live on campus and the students who live off campus. Which of these studies have samples that are independently selected?
For each of the following hypothesis testing scenarios, indicate whether or not the appropriate hypothesis test would be about a difference in two population means. If not, explain why not.
Descriptions of four studies are given. In each of the studies, the two populations of interest are female students at a particular university and male students at the university. Which of these studies have samples that are independently selected?
For each of the following hypothesis testing scenarios, indicate whether or not the appropriate hypothesis test would be for a difference in two population means. If not, explain why not.