Part of an ANOVA Table Is Shown Below The Mean Square Due to Error (MSE) Is
A) 60

Multiple Choice

Part of an ANOVA table is shown below. $$\begin{array} { l l l l l } \text { Source of } & \text { Sum of } & \text { Degrees of } & \text { Mean } \\\text { Variation } & \text { Squares } & \text { Freedom } & \text { Square } & F \\\text { Between Treatments } & 180 & 3 & \\\text { Within Treatments (Error) } & & & \\\text { TOTAL } & 480 & 18 &\end{array}$$ The mean square due to error (MSE) is

A) 60.
B) 15.
C) 18.
D) 20.