Refer to the following partial ANOVA results from Excel (some information is missing). ANOVA Table $$\begin{array} { | l | c | c | c | c | }
\hline \text { Source } & \text { SS } & d f & M S & F \
\hline \text { Treatment } & 44,757 & & 11,189 & \
\hline \text { Error } & 89,025 & 55 & 1,619 & \
\hline \text { Total } & 133,782 & 59 & & \
\hline
\end{array}$$ The number of treatment groups is:
A)5.
B)4.
C)3.
D)impossible to ascertain from given.

Question

Refer to the following partial ANOVA results from Excel (some information is missing). ANOVA Table $$\begin{array} { | l | c | c | c | c | } 
\hline \text { Source } & \text { SS } & d f & M S & F \
\hline \text { Treatment } & 44,757 & & 11,189 & \
\hline \text { Error } & 89,025 & 55 & 1,619 & \
\hline \text { Total } & 133,782 & 59 & & \
\hline
\end{array}$$ The number of treatment groups is:
A)5.
B)4.
C)3.
D)impossible to ascertain from given.

Quizplus · Accepted Answer

The degrees of freedom for the treatment is one less than the number of treatment groups. Therefore, the number of treatment groups is 5.

Refer to the Following Partial ANOVA Results from Excel (Some