Two accounting professors decided to compare the variance of their grading procedures. To accomplish this, they each graded the same 10 exams, with the following results:     Mean Grade Standard Deviation Professor 1 79.3 22.4 Professor 2 82.1 12.0 What is the critical value of F at the 0.02 level of significance assuming a two-tail test?

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Two accounting professors decided to compare the variance of their grading procedures. To accomplish this, they each graded the same 10 exams, with the following results:
 

  Mean Grade Standard Deviation
Professor 1 79.3 22.4
Professor 2 82.1 12.0


What is the critical value of F at the 0.02 level of significance assuming a two-tail test?

 

Multiple Choice
  •  

    4.85

  •  

    5.35

  •  

    6.51

  •  

    4.33

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