If the null hypothesis is true and we set the alpha level at .05, then we will make type I errors:
A)5 times out of 100.
B)1 time out of 100.
C)5 times out of 10.
D)it can't be determined from this information.

Question

Quizplus · Accepted Answer

Setting the alpha level at .05 means there is a 5% chance of rejecting the null hypothesis when it is actually true, which corresponds to making a Type I error 5 times out of 100.

If the Null Hypothesis Is True and We Set the Alpha