Question: Parents Heights Refer to Data Set 2 in Appendix B and use only the data corresponding to male children. Use the paired data consisting of

Parent’s Heights Refer to Data Set 2 in Appendix B and use only the data corresponding to male children. Use the paired data consisting of the mother’s height and the father’s height.

a. Use a 0.01 significance level to test the claim that mothers of male children are shorter than the fathers.

b. Construct a 98% confidence interval estimate of the mean of the differences between the heights of mothers and the heights of fathers.

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