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Open Source Statistics for Public HealthDocumentationTestingAboutHelp

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Author(s)
Statistics
Minn M. Soe and Kevin M. Sullivan, Emory University

Interface
Andrew G. Dean, EpiInformatics.com,
and Roger A. Mir
Sample Size For Comparing Two Means
This module calculates sample sizes for comparing two means. Enter a desired confidence interval, power, ratio of sample size of group 2 to group 1, mean (or mean difference) and standard deviation (or variance), and the sample size will be calculated for each group.

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