If Dr. Robinson rejects the null hypothesis after observing a test statistic which exceeds the critical value at the .05 level, there is_____________________________________________.
A) a 95% chance that the null hypothesis is actually true
B) a 5% chance that the null hypothesis is actually true
C) a 5% chance that the null hypothesis is actually false
D) no chance that the null hypothesis is actually true

Question

Quizplus · Accepted Answer

Rejecting the null hypothesis at the .05 level means that there is a 5% chance of obtaining the same result by chance if the null hypothesis is actually true. Therefore, there is a 5% chance that the null hypothesis is actually true.

If Dr Robinson Rejects the Null Hypothesis After Observing a Test