The 10-year historical demand data for a part is presented in the following table. Year 1...

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The 10-year historical demand data for a part is presented in the following table. Year 1 2 3 4 5 8 9 1900 2100 Demand 2150 1900 2100 1850 2050 1900 2200 Determine the forecast for year 11 using the following forecasting approaches: i. Simple average. ii. Weighted 4-period moving average with: a₁ = 0.4, α = 0.3, a3 = 0.2, α = 0.1. 10 1850 The 10-year historical demand data for a part is presented in the following table. Year 1 2 3 4 5 8 9 1900 2100 Demand 2150 1900 2100 1850 2050 1900 2200 Determine the forecast for year 11 using the following forecasting approaches: i. Simple average. ii. Weighted 4-period moving average with: a₁ = 0.4, α = 0.3, a3 = 0.2, α = 0.1. 10 1850