B C N P 0 R Regressed Average Mean Absolute Deseasonalized Deseasonalized Seasonal Seasonal Absolute Year Period Squared Quarter Demand Percent Demand Demand Factor Factor Forecast Error Error Error MAD % Error Error MAPE 2002 Bias TS 1 2880 $679 0.78 1.11 1084 1204 204 2 6892 3887 1.77 2.77 0767 3875 3875 3978 4,025 1095 0.97 0.87 3563 415 415 4 2145 19 30 0.50 0.58 2496 351 351 2003 5 3288 4,449 3679 0.89 1.11 1084 796 796 7812 4,54 $887 2.0 2.77 0767 2955 2955 5126 4,618 4095 1.25 0.87 3563 1563 1563 8 1757 5,302 303 0.41 0.58 2496 739 739 10 2004 9 4267 5,970 3679 1.16 1.11 1084 183 183 11 10 12305 6,165 3887 3.17 2.77 0767 1538 538 12 11 A W N - A W N J A W N - A W N J A W N 5976 6,112 1095 1.46 0.87 3563 2413 2413 13 12 2463 5,916 130 0.57 0.58 2496 33 33 14 2005 13 3137 5,727 3679 0.85 1.11 4084 347 947 15 14 11867 5,677 3867 3.05 2.77 10767 -1100 1100 16 15 4903 6,238 1095 .20 0.87 3563 1340 1340 17 16 3136 7,098 1303 0.73 0.58 2496 640 840 18 2006 17 6955 7,332 3679 .89 1.11 1084 2871 2871 19 18 4931 7,165 887 3.84 2.77 10767 4164 4164 20 19 712 4095 0.9 0.87 3563 149 149 21 20 2984 4303 0.69 0.58 2496 488 488