Exhibit 10-12 -Refer to Exhibit 10-12

Multiple Choice

Exhibit 10-12
$$\begin{array} { l c c c c } \begin{array} { l } \text { Source of } \\\text { Variation }\end{array} & \begin{array} { c } \text { Sum of } \\\text { Squares }\end{array} & \begin{array} { c } \text { Degrees of } \\\text { Freedom }\end{array} & \begin{array} { c } \text { Mean } \\\text { Square }\end{array} & \text { F } \\\begin{array} { l } \text { Setween Treatments } \\\text { Within Treatments Error) }\end{array} & 180 & 3 & \\\text { TOTAL } & 480 & 18 &\end{array}$$
-Refer to Exhibit 10-12. The mean square between treatments MSTR) is

A) 20
B) 60
C) 300
D) 15