Sample size calculation. We wish to detect a mean difference of 0.25 for a variable that has

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Sample size calculation. We wish to detect a mean difference of 0.25 for a variable that has a standard deviation of 0.67. How large a sample is needed to detect the mean differences with 90% power at α

= 0.05

(two-sided)?

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Basic Biostatistics Statistics For Public Health Practice

ISBN: 9781284067583

2nd Edition

Authors: B.Burt Gerstman

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Question Posted: Sep 05, 2024 03:05 AM

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Sample size calculation. We wish to detect a mean difference of 0.25 for a variable that has

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Basic Biostatistics Statistics For Public Health Practice

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