1.

Given the following actual and forecast values, calculate the mean absolute percent error, MAPE. Do not round results. Period Actual Forecast 1 302 2 320 3 266 4 240 189.60 5 304 390.64 6 246 271.83 Express your answer as a percentage. Do not enter the % sign into the answerbox. MAPE =Below is a company's records of actual sales index values over the last 7 periods along with some 3-period weighted moving average forecasts. Calculate the mean absolute deviation/error MAD (MAE). Period Actual Forecast 1 115 2 91 3 89 4 82 93 5 103 85 6 89 96 7 108 92 Mean Absolute Deviation/Error =