Question: 6-5 How large a sample would be necessary to be 90% confident that men have vertebral bone densities that differ by at least 30% of

6-5 How large a sample would be necessary to be 90%

confident that men have vertebral bone densities that differ by at least 30% of the values for women when you wish to be 95% confident in any conclusion that vertebral bone densities differ between men and women?

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