The power of a statistical test is A) the probability of not rejecting H₀ when it is false. B) the probability of rejecting H₀ when it is false. C) the probability of not rejecting H₀ when it is true. D) the probability of rejecting H₀ when it is true.

Question

Quizplus · Accepted Answer

The power of a statistical test is the probability of rejecting the null hypothesis when it is false. In other words, it measures the ability of the test to correctly detect an effect or difference if it exists. Therefore, option B is the correct choice.

The Power of a Statistical Test Is