Which statement best describes the significance level of a hypothesis test?
A)The probability of rejecting the null hypothesis when the null hypothesis is true.
B)The probability of rejecting the null hypothesis when the null hypothesis is not true.
C)The probability of failing to reject the null hypothesis when the null hypothesis is not true.
D)None of the above

Question

Quizplus · Accepted Answer

The significance level of a hypothesis test, often denoted by alpha (α), is the probability of making a Type I error, which occurs when the null hypothesis is true but is incorrectly rejected.

Which Statement Best Describes the Significance Level of a Hypothesis