Two accounting professors decided to compare the variance of

Two accounting professors decided to compare the variance of their grading procedures. To accomplish this, they each graded the same 8 exams with the following results:

What are the degrees of freedom for the denominator of the F ratio?

	Mean Grade	Standard Deviation
Professor 1	79.5	29.8
Professor 2	76.4	11.9

Two accounting professors decided to compare the variance of their grading procedures. To accomplish this, they each graded the same 8 exams with the following

Two accounting professors decided to compare the variance of

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