Probability and Statistics | Comparing Treatments with a Control in ANOVA with Dunnett’s Test

In many scientific and engineering problems, one is not interested in drawing inferences regarding all possible comparisons among the treatment means of the type μi −μj . Rather, the experiment often dictates the need to simultaneously compare each treatment with a control.
A test procedure developed by C. W. Dunnett determines significant differences between each treatment mean and the control, at a single joint significance level α.
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