Solutions Statistics

Solution) Kruskal-Wallis Below are grade point averages for 25 randomly chosen university business students

Question: 26 Kruskal-Wallis
Below are grade point averages for 25 randomly chosen university business students during a recent semester. Research question: At α = .01, are the median grade point averages the same for students in these four class levels? GPA

Grade Point Averages of 25 Business Students
Freshman (5 students)	Sophomore (7 students)	Junior (7 students)	Senior (6 students)
1.91	3.89	3.01	3.32
2.14	2.02	2.89	2.45
3.47	2.96	3.45	3.81
2.19	3.32	3.67	3.02
2.71	2.29	3.33	3.01
	2.82	2.98	3.17
	3.11	3.26