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In: Statistics and Probability

People have died in boat accidents because an obsolete estimate of the mean weight of men...

People have died in boat accidents because an obsolete estimate of the mean weight of men was used. Using the weights of the simple random sample of men from Data Set 1 in Appendix B, we obtain these sample statistics: n = 40 and ?̅ = 172.55 lb. Research from several other sources suggests that the population of weights of men has a standard deviation given by  = 26 lb. Use these results to test the claim that men have a mean weight greater than 166.3 lb. Use a 0.05 significance level. Use the P-value method and Traditional Method.

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orchestra answered 2 years ago
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