Which of the following statements about multiple comparison methods is false?
A. They are to be use once the F-test in ANOVA has been rejected.
B. They are used to determine which particular population means differ.
C. There are many different multiple comparison methods but all yield the same conclusions.
D. All of these choices are true.
Analysis:
A. Incorrect. There are many different multiple comparison methods but all yield the same conclusions is false.
B. Incorrect. There are many different multiple comparison methods but all yield the same conclusions is false.
C. Correct. There are many different multiple comparison methods but all yield the same conclusions is false.
D. Incorrect. There are many different multiple comparison methods but all yield the same conclusions is false.
ANSWER : C
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