The number of degrees of freedom associated with the two-sample $t$ test is the same as the number of degrees of freedom associated with the paired $t$ test statistic.

Question

Quizplus · Accepted Answer

The two-sample $t$ test and paired $t$ test have different formulas and therefore have different degrees of freedom. The two-sample $t$ test has degrees of freedom equal to the sum of the degrees of freedom for each group, while the paired $t$ test has degrees of freedom equal to the number of pairs minus 1.

The Number of Degrees of Freedom Associated with the Two-Sample ttt

The Number of Degrees of Freedom Associated with the Two-Sample $t$