When we fail to reject the null hypothesis,we
A)claim that a significant difference exists between groups.
B)have committed a Type I error.
C)have obtained a t-value greater than our critical t-value.
D)conclude that sampling variability is responsible for our obtained difference.
E)have committed a Type II error.

Question

Quizplus · Accepted Answer

When we fail to reject the null hypothesis, it means that we do not have enough evidence to support the alternative hypothesis. This could be due to sampling variability, which means that the observed difference could have occurred by chance. Therefore, we conclude that sampling variability is responsible for our obtained difference.

When We Fail to Reject the Null Hypothesis,we