Question: Penny Weights Refer to Data Set 21 in Appendix: Data Sets and use the weights of the post-1983 pennies to construct a 98% confidence interval

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

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