An alpha level of 0.05 is the same as a confidence level of________.
A) 99.5%
B) 95%
C) 90.5%
D) 90%

Question

Quizplus · Accepted Answer

An alpha level of 0.05 means that there is a 5% chance of falsely rejecting the null hypothesis. This is equivalent to a 95% confidence level in which we can say that we are 95% confident that our results are not due to chance. Thus, the best choice is B, which represents a confidence level of 95%.

An Alpha Level of 0