?Larger Data Sets. In Exercises 21-24, use the indicated Data Sets in Appendix B. The
Chapter 9, Problem 23(choose chapter or problem)
Larger Data Sets. In Exercises 21-24, use the indicated Data Sets in Appendix B. The complete data sets can be found at www.TriolaStats.com. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal.
Birth Weights Refer to Data Set 4 “Births” and use the birth weights of boys and girls. Test the claim that at birth, girls have a lower mean weight than boys.
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