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GPAs for four sports teams

Avg difficulty 2.5

Four sports teams took a random sample of players regarding their GPAs for the last year. The results are shown in the table.

Basketball Baseball Hockey Lacrosse
3.6 2.1 4.0 2.0
2.9 2.6 2.0 3.6
2.5 3.9 2.6 3.9
3.3 3.1 3.2 2.7
3.8 3.4 3.2 2.5

Use a significance level of 5 percent and determine if there is a difference in GPA among the teams.

OpenStax Statistics, 13.3 Facts About the F Distribution, exercise 4

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