If alpha equals 0.05, how many times out of 100 would you expect to reject the null hypothesis when the null hypothesis is in fact true?
A) 1
B) 0.05
C) 0.01
D) 5

Question

Quizplus · Accepted Answer

Alpha represents the probability of making a Type I error, which is rejecting the null hypothesis when it is actually true. If alpha is 0.05, it means there is a 5% chance of making this error, so out of 100 times, you would expect to reject the null hypothesis incorrectly 5 times.

If Alpha Equals 0