$$\begin{array} { l c c }
\text { Source } & \text { d.f. } & \text { Sum of Squares } \
\text { Model } & 3 & 213.88125 \
\text { Error } & 20 & 11.208333 \
\text { Total } & 23 & 225.0895
\end{array}$$
-Consider the above one-way ANOVA table.If there are an equal number of observations in each group,then each group (treatment level)consists of ______ observations.
A)3
B)4
C)6
D)20
E)24

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.If there are an equal number of observations in each group,then each group (treatment level)consists of ______ observations.
A)3
B)4
C)6
D)20
E)24

Quizplus · Accepted Answer

Each group consists of 6 observations because the total number of observations is 24 (23 degrees of freedom + 1) and there are 4 groups (3 degrees of freedom + 1).

-Consider the Above One-Way ANOVA Table