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A professor of statistics in Michigan State University wants to determine whether the average starting salaries among graduates of the 15 universities in Michigan are

A professor of statistics in Michigan State University wants to determine whether the average starting salaries among graduates of the 15 universities in Michigan are equal. A sample of 25 recent graduates from each university was randomly taken. An F statistic of 3.75 is reported. What are the degrees of freedom for this F statistic?

Group of answer choices

15 and 25

14 and 360

360 and 14

25 and 15

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