Using the simple random sample of weights of women from Data Set 1 in Appendix B, we
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Using the simple random sample of weights of women from Data Set 1 in Appendix B, we obtain these sample statistics: n = 40 and x = 146.22. Research from other sources suggests that the population of weights of women has a standard deviation given by σ = 30.86 lb.
a. Find the best point estimate of the mean weight of all women.
b. Find a 95% confidence interval estimate of the mean weight of all women.
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