Which of the following is most likely to be an explanation of the power of a test? The power of a test is the probability of:
A rejecting the null when it is false.
B not accepting the alternative when it is false.
C a Type I error.
A is correct. 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.
power of a test 是typeII错误，不是说H0错误但保留了吗，A好像不是这个意思，个人认为没有right
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