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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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