SOLUTION: Is this sample of 25 exam scores inconsistent with the hypothesis that the true variance is 64 (i.e. σ = 8)? Use the 5 percent level of significance in a two-sided test. Show

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Question 198408: Is this sample of 25 exam scores inconsistent with the hypothesis that the true variance is 64 (i.e. σ = 8)? Use the 5 percent level of significance in a two-sided test. Show all steps, including the hypotheses and critical values from Appendix E. Exams
80 79 69 71 74
73 77 75 65 52
81 84 84 79 70
78 62 77 68 77
88 70 75 85 84
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A worked example of this problem (with different data) can be
found in your text on page 384, Section 9.6 "Tests for one
Variance".
Cheers,
Stan H.