A significance level for a hypothesis test is given as $\alpha = .01$. Interpret this value.
A) The probability of making a Type II error is . 99 .
B) The smallest value of $\alpha$ that you can use and still reject $H _ { 0 }$ is .01.
C) The probability of making a Type I error is .01.
D) There is a $1 \%$ chance that the sample will be biased.

Question

Quizplus · Accepted Answer

The significance level $\alpha = .01$ means there is a 1% risk of rejecting the null hypothesis $H_0$ when it is actually true, which is the definition of a Type I error.

A Significance Level for a Hypothesis Test Is Given As \alpha