In a twoway analysis of variance the degrees of freedom for

In a two-way analysis of variance, the degrees of freedom for each main effect are:

a. the number of cells minus the number of variables.

b. the number of variables minus the total scores within the column or row.

c. the number of levels of the variable minus 1

d. the total number of scores in that row or column minus 2

Solution

b. the number of variables minus the total scores within the column or row.