For the next 2 questions in a one-way CRD (Completely Randomized Design), the response is obtained over 5 groups (Groups A, B, C, D, E), each of size 13. The Mean Square Error from the ANOVA is MSE = 34.2. Reminder: qtukey0 is the R function for computing quantiles of the studentized range distribution associated with Tukey's multiple comparison procedure.
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Questan 20
4pts
For performing Bonferroni's simultaneous (pairwise) intervals with an experiment-wise error rate of 10%, what should be the individual error rate for comparing each of the 4 group means (say for groups A, B, C, and D) to only the one other group mean (for group E)? That is, not all pairwise comparisons are to be made, but a specific number. (Enter your answer as a proportion.)