$$\begin{array} { l c c }
\text { Source } & \text { d.f. } & \text { Sum of Squares } \
\text { Model } & 3 & 213.88125 \
\text { Error } & 20 & 11.208333 \
\text { Total } & 23 & 225.0895
\end{array}$$
-Consider the above one-way ANOVA table.What is the treatment mean square?
A)71.29375
B)5604
C)1.297
D)213.881
E)9.7

Question

$$\begin{array} { l c c } 
\text { Source } & \text { d.f. } & \text { Sum of Squares } \
\text { Model } & 3 & 213.88125 \
\text { Error } & 20 & 11.208333 \
\text { Total } & 23 & 225.0895
\end{array}$$
-Consider the above one-way ANOVA table.What is the treatment mean square?
A)71.29375
B)5604
C)1.297
D)213.881
E)9.7

Quizplus · Accepted Answer

The treatment mean square (also known as the model mean square) is calculated by dividing the sum of squares for the model by the degrees of freedom for the model. Here, it is $213.88125 / 3 = 71.29375$.

-Consider the Above One-Way ANOVA Table