9.30 What's Normal II Of the 130 people in Exer- cise 9.17, 65 were female and 65 were male." The means and standard deviations of their temperatures are shown below.

a. Use the p-value approach to test for a significant difference in the average temperatures for males versus females.

b. Are the results significant at the 5% level? At the 1% level?

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Sample mean (C) Standard deviation Men Women 36.72 36.88 0.70 0.74