Use the Following Information for Questions

Multiple Choice

Use the following information for questions:
Ninety-four female students were asked how many hours of TV they watched the night before and where the usually sat in class (front, middle, back) . A nonparametric Kruskal-Wallis test was used to analyze the results. Minitab output is shown below:
-What is the null hypothesis in this situation?

A) Population means for hours of TV watched are equal for the three populations.
B) Population means for hours of TV watched are not equal for the three populations.
C) Population medians for hours of TV watched are equal for the three populations.
D) Population medians for hours of TV watched are not equal for the three populations.