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Why does the experimentwise error rate of a multiple
Chapter 9, Problem 85SE(choose chapter or problem)
QUESTION:
Why does the experimentwise error rate of a multiple comparisons procedure differ from the significance level for each comparison (assuming the experiment has more than two treatments)?
Questions & Answers
QUESTION:
Why does the experimentwise error rate of a multiple comparisons procedure differ from the significance level for each comparison (assuming the experiment has more than two treatments)?
ANSWER:
Step 1 of 2
The experimentwise error rate of multiple comparisons procedures differ from the significance level for each comparison.
The reason each interval must be formed at a higher confidence level than that specified for the collection of intervals can be demonstrated as follows: