Using the data shown below, compute the mean square error, mean absolute deviation, and mean absolute percentage error for the forecasts shown. $\begin{array}{|l|c|c|}
\hline \text { Month } & \text { Forecast Demand } & \text { Actual Demand } \
\hline \text { April } & 170 & 180 \
\hline \text { May } & 225 & 215 \
\hline \text { June } & 210 & 200 \
\hline \text { July } & 260 & 240 \
\hline \text { August } & 200 & 220 \
\hline
\end{array}$

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The Answer of Using the data shown below, compute the mean square error, mean absolute deviation, and mean absolute percentage error for the forecasts shown. $\begin{array}{|l|c|c|}
\hline \text { Month } & \text { Forecast Demand } & \text { Actual Demand } \
\hline \text { April } & 170 & 180 \
\hline \text { May } & 225 & 215 \
\hline \text { June } & 210 & 200 \
\hline \text { July } & 260 & 240 \
\hline \text { August } & 200 & 220 \
\hline
\end{array}$

Using the Data Shown Below, Compute the Mean Square Error