Grafik metode kuadrat terkecila = 0.828 jika x=0 x=1 x=2 x=3 x=4 & b = 3 dengan persamaan y = b x + ajadi y = 3 x + 0.828 y = 3 ( 0 ) + 0.828 = 0.288 y = 3 ( 1 ) + 0.828 = 3.288 y = 3 ( 2 ) + 0.828 = 9.288 y = 3 ( 3 ) + 0.828 = 12.288 y = 3 ( 4 ) + 0.828 = 15.288