The gap between the earnings of men and women with equal education is narrowing but has not closed. Sample data for seven men and seven women with bachelor's degrees are as follows. Data are shown in thousands of dollars.
Men Women
35.6 ..........49.5
80.5 ..........40.4
50.2 ..........32.9
67.2 ..........45.5
43.2 ..........30.8
54.9 ..........52.5
60.3 ..........29.8
a. What is the median salary for men? For women?
b. Use α = .05 and conduct the hypothesis test for identical population distributions.
What is your conclusion?