Exercise 9 uses = 189 lb, which is based on Data Set 1 Body Data in

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Exercise 9 uses μ = 189 lb, which is based on Data Set 1 "Body Data" in Appendix B. Repeat Exercise 9 using μ = 174 lb (instead of 189 lb), which is the assumed mean weight that was commonly 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 What do you conclude about the effect of using an outdated mean that is substantially lower than it should be?
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Mathematical Interest Theory

ISBN: 9781470465681

3rd Edition

Authors: Leslie Jane, James Daniel, Federer Vaaler

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