Question 8.70

8.70 Summer employment of college students

A university financial aid office polled an SRS of undergraduate students to study their summer employment. Not all students were employed the previous summer. Here are the results for men and women:

Men Women
Employed 622 533
Not employed 58 82
Total 680 615
  1. Is there evidence that the proportion of male students employed during the summer differs from the proportion of female students who were employed? State and , compute the test statistic, and give the -value.
  2. Give a 95% confidence interval for the difference between the proportions of male and female students who were employed during the summer. Does the difference seem practically important to you?