The Following Table Shows the Results of a Two-Factor ANOVA

Multiple Choice

The following table shows the results of a two-factor ANOVA.Based on this table,what is the value for ² for factor A?
$$\begin{array} { c c r r l } \text { Source } & \text { SS } & \text { df } & \text { MS } & \\ \text { Between } & 36 & 3 & & \\\text { A } & 12 & 1 & 12 & F = 4.00 \\\text { B } & 3 & 1 & 3 & F = 1.00 \\\text { AxB } & 21 & 1 & 21 & F = 7.00 \\\text { Within } & 84 & 28 & 3 & \\\text { Total } & 120 & 31 & &\end{array}$$

A) 12/36
B) 12/96
C) 12/99
D) 12/120