Consider the Following Data from a Two-Factor Factorial Experiment -What Is the Mean Square Error

Essay

Consider the following data from a two-factor factorial experiment.You wish to perform a two-way analysis of variance to analyze the data. $$\begin{array} { c c c c } & & { \text { Factor I } } \\\text { Factor II } & 1 & 2 & 3 \\1 & 4 & 8 & 5 \\& 6 & 7 & 5 \\& 5 & 5 & 6 \\& & & \\2 & 4 & 5 & 0 \\& 2 & 3 & 1 \\& 3 & 2 & 1\end{array}$$
-What is the mean square error?