The degrees of freedom for a factor B that has 2 levels would equal ______.
A) 0
B) 1
C) 2
D) 3

Question

Quizplus · Accepted Answer

The degrees of freedom for a factor with 2 levels is equal to 1. This is because once we know the mean of one level, we know the mean of the other level since there are only 2 levels. Therefore, there is only one piece of information that can vary (the difference between the means) and hence only 1 degree of freedom.

The Degrees of Freedom for a Factor B That Has