Question: please Provide steps on how to do the calculations Problem 3: Quarterly demand of a spare part for a certain aircraft engine during the last

please Provide steps on how to do the calculations

Problem 3: Quarterly demand of a spare part for a certain aircraft engine during the last two years (in sequence) is 100,250,180,190,225,285,305, and 190 . Determine the forecasts for periods 3 to 9 using 2 period moving averages (MA-2) and Exponential smoothing with =0.2 (i.e. ES (0.2) ). For BS (0.2) calculations, assume that the forecast for period 2 was 100 . Compare MAD, MSE and MAPE for the forecasts from period 3 to 8 . Which forecasting method has been more accurate? (8 Marks)

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