he operations manager of programmable logic devices wants to evaluate the performance of several forecasts. The marketing forecast has already been generated, and she wants to generate a 2-period moving average forecast. Demand Marketing Forecast Moving Average 1 492 2 470 3 485 480 4 493 490 5 505 497 6 492 493 a. Compute the two-period moving average for periods 3, 4, 5, and 6. Put your answers in the table above. b. Compute the mean absolute deviate (MAD) for the marketing forecast and for the moving average forecast. MAD for marketing forecast = MAD for moving average forecast = c. Using the MAD performance measure, which forecast performed better