Exercise 11 uses m182 9 lb which is based on Data
Exercise 11 uses m182.9 lb, which is based on Data Set 1 in Appendix B. Repeat Exercise 11 using m174 lb (instead of 182.9 lb), which is the assumed mean weight that was commonly used just a few years ago. Assuming that the mean weight of males is now 182.9 lb, not the value of 174 lb that was used just a few years ago, what do you conclude about the effect of using an outdated mean that is substantially lower than it should be?
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