You intend to conduct an ANOVA with 3 groups in which each group will have the same number of sujbects: $\displaystyle {n}={23}$. (This is referred to as a "balanced" single-factor ANOVA.)

What are the degrees of freedom for the numerator?
d.f.(treatment) =

What are the degrees of freedom for the denominator?
d.f.(error) =