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?
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?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Question
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
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4.85
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5.35
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6.51
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4.33
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