Question: Using the data shown below, compute the mean square error (MSE), mean absolute deviation (MAD), and mean absolute percentage error (MAPE) for the forecasts shown.

Using the data shown below, compute the mean square error (MSE), mean absolute deviation (MAD), and mean absolute percentage error (MAPE) for the forecasts shown.

Month	Forecast Demand	Actual Demand
April	170	180
May	225	200
June	210	200
July	260	240
August	200	230

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