For the data in the source table, what is the F statistic of interest to researchers? $$\begin{array} { l | c | c c | c | }
\hline \text { Source } & S S & d f & M S & F \
\hline \text { Between-groups } & 39.52 & 2 & 19.76 & \
\hline \text { Subjects } & 6.45 & 5 & 1.29 & \
\hline \text { Within-groups } & 19.93 & 10 & 1.993 & \
\hline \text { Total } & 53 & 17 & & \
\hline
\end{array}$$
A) 0.10
B) 0.65
C) 9.91
D) 15.32

Question

For the data in the source table, what is the F statistic of interest to researchers? $$\begin{array} { l | c | c c | c | } 
\hline \text { Source } & S S & d f & M S & F \
\hline \text { Between-groups } & 39.52 & 2 & 19.76 & \
\hline \text { Subjects } & 6.45 & 5 & 1.29 & \
\hline \text { Within-groups } & 19.93 & 10 & 1.993 & \
\hline \text { Total } & 53 & 17 & & \
\hline
\end{array}$$
A) 0.10
B) 0.65
C) 9.91
D) 15.32

Quizplus · Accepted Answer

The F statistic is calculated as the ratio of the mean square between groups to the mean square within groups, which is $19.76 / 1.993 = 9.91$.

For the Data in the Source Table, What Is the F