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Power of the noncentral F-test: Planning studies 
The F-test is used in planning the experiment and the anova, because the non-centrality parameter shifts the F-distribution to the right. Using t-tests to plan experiments, as Bailey does in an otherwise fine book, results in larger numbers of subjects than needed, in many cases. This is not discussed, despite it being the main motivation. (Non-central t-distributions are less readily accessible, and don't appear in textbooks on Anova.)
03:22, 9 April 2013 (UTC)
Attention watchers. 
A major enhancement, deserving expert review was made to the sister article: One-way analysis of variance22.214.171.124 (talk) 21:35, 30 October 2012 (UTC)