Pengawasan ramalan penjualan PT. Mandiri
linear kuadratik eksponensial
no tahun penjualan Y y' (y-y')² y' (y-y')² y' (y-y')²
1 1996 2000 2154.545 23884.3 2133.566 17839.99 0.377006 3998492 2 1997 2100 2177.273 5971.074 2168.881 4744.609 0.381552 4408398
3 1998 2500 2200 90000 2201.399 89162.8 0.386097 6248070
4 1999 2300 2222.727 5971.074 2231.119 4744.609 0.390643 5288203 5 2000 2250 2245.455 20.66116 2258.042 64.67309 0.395188 5060722
6 2001 2350 2268.182 6694.215 0 5522500 0.399734 5520621
7 2002 2050 2290.909 58037.19 2303.497 64260.48 0.404279 4200843 8 2003 2150 2313.636 26776.86 2322.028 29593.62 0.408825 4620742 9 2004 2500 2336.364 26776.86 2337.762 26321.09 0.41337 6247933
10 2005 2350 2359.091 82.64463 9000 44222500 0.417916 5520536
11 2006 2400 2381.818 330.5785 2360.839 1533.571 0.422461 5757972 jumlah 24950 24950 244545.5 29317.13 49983265 4.397071 56872532
