For the independent t test, degrees of freedom are based on
A) the population sizes
B) the sample sizes
C) the number of samples being compared
D) none of these

Question

Quizplus · Accepted Answer

The degrees of freedom for the independent t test are based on the sample sizes of both groups being compared. Specifically, the formula for degrees of freedom is df = n1 + n2 - 2, where n1 and n2 are the sample sizes of the two groups.

For the Independent T Test, Degrees of Freedom Are Based