If a test of hypothesis has a Type I error probability ( $\alpha$ ) of 0.01, it means that
A)if the null hypothesis is true, you don't reject it 1% of the time.
B)if the null hypothesis is true, you reject it 1% of the time.
C)if the null hypothesis is false, you don't reject it 1% of the time.
D)if the null hypothesis is false, you reject it 1% of the time.

Question

Quizplus · Accepted Answer

A Type I error occurs when the null hypothesis is true, but we incorrectly reject it. An $\alpha$ of 0.01 means there is a 1% chance of making this error.

If a Test of Hypothesis Has a Type I Error α\alphaα

If a Test of Hypothesis Has a Type I Error $\alpha$