Which of the following descriptions best describes the statistical power?
A) Reject the null hypothesis, when the null hypothesis is false.
B) Reject the null hypothesis when the null hypothesis is true.
C) Accept the null hypothesis when the null hypothesis is false.
D) Accept the null hypothesis when the null hypothesis is true.

Question

Quizplus · Accepted Answer

Statistical power refers to the ability of a statistical test to detect a true effect or difference between groups. When the null hypothesis is false (i.e. there is a true effect), statistical power refers to the ability of the test to correctly reject the null hypothesis and conclude that there is a significant difference or effect.

Which of the Following Descriptions Best Describes the Statistical Power