The power of a statistical test is affected by:
A) the alpha level selected.
B) the sample size.
C) whether a one-tailed or a two-tailed test is used.
D) All of the answers are correct.

Question

Quizplus · Accepted Answer

The power of a statistical test is influenced by the alpha level, sample size, and whether a one-tailed or two-tailed test is used. All these factors can affect the likelihood of correctly rejecting a false null hypothesis.

The Power of a Statistical Test Is Affected By