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while the significance level of a test is the probability of rejecting the null hypothesis when it is true, the power of a test is the probability of correctly rejecting the null hypothesis when it is false.
這是CFAI的，我覺得這句話好拗口，不知道是什麽意思，而且這裡的power of a test又是什麽意思？
求高手指教一下 |
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发表于 2014-7-3 12:15
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