In the formula to compute the correlated-groups t test, the denominator in the equation represents:
A) the standard error of the mean.
B) the estimated standard error of the mean.
C) the standard error of the difference scores.
D) the standard error of the difference between means.

Question

Quizplus · Accepted Answer

The denominator in the correlated-groups t test formula represents the standard error of the difference scores, which is used to assess the variability of the difference scores in paired or related samples.

In the Formula to Compute the Correlated-Groups T Test, the Denominator