The Mean Square Error (MSE) for the Forecasts Shown in the Following

question 28

Multiple Choice

The mean square error (MSE) for the forecasts shown in the following table is: $\begin{array} { | l | l | l | } \hline \text { Month } & \text { Forecast Demand } & \text { Actual Demand } \\\hline \text { April } & 170 & 180 \\\hline \text { May } & 225 & 200 \\\hline \text { June } & 210 & 200 \\\hline \text { July } & 260 & 240 \\\hline \text { August } & 200 & 230 \\\hline\end{array}$

• A) more than 250 but less than or equal to 300.
• B) more than 300 but less than or equal to 350.
• C) more than 350 but less than or equal to 400.
• D) more than 400 but less than or equal to 450.

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