Consider the Data Table Shown with Values for Six Individuals

Multiple Choice

Consider the data table shown with values for six individuals measured in each of four groups (A, B, C, and D) . We will conduct an ANOVA analysis of this.
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$\begin{array}{c}\text { Groups }\\\begin{array}{rrrr}\text { A } & \text { B } & \text { C } & \text { D } \\11 & 12 & 11 & 16 \\12 & 13 & 14 & 18 \\14 & 14 & 15 & 19 \\15 & 17 & 16 & 23\end{array}\end{array}$
-What is the error mean square?

A) 4.66
B) 5.00
C) 5.33
D) 5.66