If a single sample t-test is statistically significant…
A) Then the sample mean must have been larger than the population mean.
B) Then the sample mean must have been smaller than the population mean.
C) Then the t-statistic must have fallen into the rejection region.
D) Then the t-statistic must not have fallen into the rejection region.

Question

Quizplus · Accepted Answer

If a single sample t-test is statistically significant, it means that the t-statistic must have fallen into the rejection region. This rejection region is determined based on the level of significance (usually 0.05) and the degrees of freedom. It does not indicate whether the sample mean is larger or smaller than the population mean.

If a Single Sample T-Test Is Statistically Significant…