Definition:Power of Test

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This page is about Power of Test. For other uses, see power.

Definition

Let $\delta$ be a hypothesis test.

The power of $\delta$ is the probability of rejecting the null hypothesis when it is false.

Hence the power of $\delta$ is $1 - \beta$, where $\beta$ is the probability of a type $\text {II}$ error.


Also see

  • Results about hypothesis testing can be found here.


Sources