Typically, do men and women sleep different amounts? At a small private college in California, a random

Question:

Typically, do men and women sleep different amounts? At a small private college in California, a random sample of students were asked how many hours of sleep they got last night.
The figure shows the output for a Mann-Whitney test. Test the alter native hypothesis that the median number of hours of sleep for all men at this college is not equal to the median for all women at the same college, using a significance level of 0.05.