In hypothesis testing, the critical value is A)a number that establishes the boundary of the reject H₀ region B)based on the significance level$\alpha$ C)a and b only D)the probability of a Type I error E)used to set the p-value

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The critical value in hypothesis testing is a threshold that determines the boundary of the rejection region for the null hypothesis and is based on the significance level (alpha). It is not the probability of a Type I error (which is the significance level itself) nor is it used to set the p-value; rather, it is used in conjunction with the p-value to make a decision about the hypothesis.

In Hypothesis Testing, the Critical Value Is A)a Number That α\alphaα

In Hypothesis Testing, the Critical Value Is
A)a Number That $\alpha$