What can we conclude if we reject the null hypothesis in an independent-samples t-test?
A)It is likely that sampling error accounted for the differences between the sample means.
B)It is likely that the sample means came from the same population.
C)The difference between our sample means is unlikely to be representing zero difference in the population means.
D)The difference between our sample means is merely a poor representation of zero difference in the population means.

Question

Quizplus · Accepted Answer

Rejecting the null hypothesis in an independent-samples t-test suggests that the observed difference between sample means is statistically significant, implying it is unlikely to have occurred if the population means were the same (i.e., representing a non-zero difference in the population means).

What Can We Conclude If We Reject the Null Hypothesis