Confidence Intervals. In Exercises 9–-24, construct the confidence interval estimate of the mean.

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Extracted text: Confidence Intervals. In Exercises 9–-24, construct the confidence interval estimate of the mean.


Extracted text: 11. Mean Body Temperature Data Set 3 “Body Temperatures" in Appendix B includes a sample of 106 body temperatures having a mean of 98.20°F and a standard deviation of 0.62°F. Construct a 95% confidence interval estimate of the mean body temperature for the entire popu- lation. What does the result suggest about the common belief that 98.6°F is the mean body temperature?