Two accounting professors decided to compare the variation of their grading procedures. To
Accomplish this they each graded the same 10 exams with the following results:
At the 5% level of signiﬁcance, what is the decision?
A) Reject the null hypothesis and conclude the variance is different.
B) Fail to reject the null hypothesis and conclude no signiﬁcant difference in the variance.
C) Reject the null hypothesis and conclude the variance is the same.
D) Fail to reject the null hypothesis and conclude the variance is the same.

Question

Two accounting professors decided to compare the variation of their grading procedures. To
Accomplish this they each graded the same 10 exams with the following results: 
At the 5% level of signiﬁcance, what is the decision?
A) Reject the null hypothesis and conclude the variance is different. 
B) Fail to reject the null hypothesis and conclude no signiﬁcant difference in the variance. 
C) Reject the null hypothesis and conclude the variance is the same. 
D) Fail to reject the null hypothesis and conclude the variance is the same.

Quizplus · Accepted Answer

Reject the null hypothesis and conclude the variance is different.

Two Accounting Professors Decided to Compare the Variation of Their