Definition:Critical Value

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Definition

Let $\delta$ be a hypothesis test.

Let $H_0$ and $H_1$ be the null hypothesis and alternative hypothesis of $\delta$ respectively.

Let $T$ be the test statistic which is being used to determine whether $H_0$ or $H_1$ holds.


The critical value of $\delta$ is the value of $T$ that marks the boundary between the acceptance region and critical region of $\delta$.


Also see

  • Results about hypothesis testing can be found here.


Sources