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 treatments (MSTR) is
A) 20.
B) 60.
C) 18.
D) 15.

Question

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 treatments (MSTR) is
A) 20.
B) 60.
C) 18.
D) 15.

Quizplus · Accepted Answer

The mean square due to treatments (MSTR) is calculated by dividing the sum of squares between treatments by its degrees of freedom. Here, MSTR = 180 / 3 = 60.

Part of an ANOVA Table Is Shown Below The Mean Square Due to Treatments (MSTR) Is A) 20

Part of an ANOVA Table Is Shown Below The Mean Square Due to Treatments (MSTR) Is
A) 20