Consider a Two-Way ANOVA in Which Factor a Is at Four

Consider a two-way ANOVA in which Factor A is at four levels,Factor B has three levels,and there are four observations in each cell.Which of the following are TRUE statements about the ANOVA in this situation?

A) The A × B interaction has 6 degrees of freedom.
B) The ANOVA total sum of squares has 47 degrees of freedom.
C) The mean square for error is given by .
D) To test the A × B interaction,you would use the F statistic, .
E) With the exception of B,all of the above are true statements.