Given the series of demand data below Period 1 2 3 4 5 6 7 8 9 10 Demand 40 33 56 43 23 45 38 40 29 40 Calculate the forecasts for periods 7 through

9 10

Demand 40 33 56 43 23 45 38 40 29 40

Calculate the forecasts for periods 7 through 11 using moving average models with n = 2, n = 4, and n = 6.

Calculate the bias and MAD for each set of forecasts. Which moving average model is best?