18. What’s Normal, continued Of the 130 people in Exercise 36 (Section 8.3), 65 were female and 65 were male.11 The means and standard deviations of their temperatures

(in degrees Fahrenheit) are shown here.

Find a 95% confidence interval for the difference in the average body temperatures for males versus females.
Based on this interval, can you conclude that there is a difference in the average temperatures for males versus females? Explain.

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Men Women Sample Mean 98.11 98.39 Standard Deviation 0.70 0.74