Using Large Data Sets from Appendix B. In Exercises 17 and

Chapter 7, Problem 17

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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. Penny Weights Refer to Data Set 21 in Appendix B and use the weights of the post1983pennies to construct a 98% confidence interval estimate of the standard deviation of theweights of all post-1983 pennies.

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