Using Large Data Sets from Appendix B. In Exercises 17 and
Chapter 7, Problem 18(choose chapter or problem)
Using Large Data Sets from Appendix B. In Exercises 17 and 18, use the data setfrom Appendix B. Assume that each sample is a simple random sample obtained froma population with a normal distribution. Ages of Presidents Refer to Data Set 12 in Appendix B and use the ages (years)of the presidents at the times of their inaugurations. Treating the data as a sample, constructa 98% confidence interval estimate of the standard deviation of the population ofall such ages.
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