B D 1 Forecast Analysis 2 3 Forecast Alogrithms Weighted Simple Moving Moving Exponential Average Average Smothing Ml.6, M2=3, 3M M3-1 (a-.4) 1,500,000 4 in Month # Nave Sales Units 1,217,200 6 1 7 2 3 4 5 6 7 1,031,755 1,301,484 1,290,700 1,342,500 1,067,000 1,393,500 1,158,900 714,700 1,028,004 1,090,978 1,189,200 000 Om o 0 0 8 9 15 10 11 17 12 Total Sales 20 Forecast Accuracy - MAPE Moving Average Weighted Moving Average MI-6, M2--3, M3=1 Simple Exponential Smothing 21 22 Month # Sales Units Nave 3M (a=.4,3M-MA) 23 4 24 5 25 6 26 7 27 8 28 9 29 10 30 11 31 12 32 33