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Question of the Week: Level 1 - Quantitative Methods
The power of a test is:
Question of the Week: Level 1 - Quantitative Methods 13 votes
A. the probability of correctly rejecting the null.
B. the probability of accepting a false alternative.
C. the probability of incorrectly rejecting the null.
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Comments
Whereas the significance level of a test is the probability of incorrectly rejecting the null, the power of a test is the probability of correctly rejecting the null, that is, the probability of rejecting the null when it is false.