Biostatistics For Dummies by John Pezzullo

Biostatistics For Dummies by John Pezzullo

Author:John Pezzullo
Language: eng
Format: epub
Publisher: Wiley
Published: 2013-07-02T16:00:00+00:00


Illustration by Wiley, Composition Graphics Services

Figure 12-3: A nomogram to perform power calculations for the Student t test and analysis of variance (ANOVA).

Chapter 13

Comparing Proportions and Analyzing Cross-Tabulations

In This Chapter

Testing for association between categorical variables with the Pearson chi-square and Fisher Exact tests

Adjusting for confounders with the Mantel-Haenszel test for stratified fourfold tables

Spotting trends across ordinal (sequenced) categories with the Kendall tau test

Estimating sample sizes for tests of association



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