1/3 SCM 352 Operations Management Session 15: Demand Forecasting Part I Lee auto sales wishes to analyze weekly sales of automobiles. Weekly data for the number of autos sold for the past 7 weeks (Dt) has been recorded. Forecasting Method: (Simple) Moving Average Method with N=3. Using this method, please forecast weekly auto sales from week 6 to 8.

Week Demand (D) Average (A) Forecast (F)

1 100

2 150

3 130 A₃ =D₁+D₂+D₃/3= 100+150+130/3 = 126.67

4 140 A₄ = D₂+D₃+D₄ /3 = 150+130+140/3 = 140 F₄=126.67

5 120 F₅= 140.00

6 110

7 100

8