Based on the ANOVA Table Shown, What Is The $S_{A}^{2}$ Value for This Data?

Multiple Choice

Based on the ANOVA table shown, what is the $S_{A}^{2}$ value for this data?
?
$\begin{array}{|lcrcc|}\hline \text { Source of } & \text { Sum of } & & {\text { Mean }} \\\text { variation } & \text { squares } & \text { df } & \text { squares } & \text { F-ratio } \\\text { Groups } & 406 & 7 & 58 & 5.27 \\\text { Error } & 704 & 64 & 11 & \\\text { Total } & 1,110 & 71 & & \\\hline\end{array}$ ?

A) 4.55
B) 4.77
C) 4.99
D) 5.22