Questions Are Based on the Following ANOVA Summary Table (Fixed

Questions are based on the following ANOVA summary table (fixed effects) :

$\begin{array}{cccc}\hline \text { Source } & d f & M S & F \\\hline \mathrm{A} & 5 & 18.0 & 6.0 \\\mathrm{~B} & 1 & 13.5 & 4.5 \\\mathrm{AB} & 5 & 15.0 & 5.0 \\\text { Within } & 60 & 3.0 & \\\hline\end{array}$
-The total sample size for the design is which one of the following?

A) 72
B) 74
C) 77
D) None of the above