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Keeping everything else the same, if you were to change your alpha level from .01 to...

Keeping everything else the same, if you were to change your alpha level from .01 to .05, the likelihood of rejecting the null hypothesis

A. Increases

B. Decreases

C. Remains the same

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Answer #1

Higher values of α make it easier to reject the null hypothesis, so choosing higher values for α can reduce the probability of a Type II error. The consequence here is that if the null hypothesis is true, increasing α makes it more likely(higher probability) that we commit a Type I error (rejecting a true null hypothesis).

Here α level increases from 0.01 to 0.05. So the likelihood of rejecting the null hypothesis

(A) Increases

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