Question: ID IN-CLASS# 3. A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods.

ID IN-CLASS# 3. A manager has been using a certain technique to forecast demand for gallons of ice cream for the past six periods. CALCULATE THE ERROR USING THE MAD, MSE, AND MAPE METHODS. Period -23756 Demand 90 Forecast 87 85 88 91 87 92 89 95 90 88 92

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