AÑOS VENTAS EN UNIDADES X X1 X2 2003 28,000.00 2004 26,000.00 26,000.00 02005 24,000.00 12006 30,000.00 22007 32,000.00 32,000.00 3 02008 34,000.00 4 12009 ? 5 2

1 6,000.00 32 2,000.00

YC= 26,000.00 + (2000)(5)YC= 26,000.00 10000YC= 36,000.00

YC= 32,000.00 + (2000)(2)YC= 32,000.00 + 4000YC= 36,000.00

AÑOS VENTAS EN X X1 X2 2004 26,000.00

25,000.00 2005 24,000.00 26,400.00 0.00

27,000.00 0.50 2006 30,000.00 1.00

31,000.00 1.50 2007 32,000.00 2.00

33,000.00 33,000.00 2.50 02008 34,000.00 3.00 1

35,000.00 3.50 22009 4.00 3

INCREMENTO 6,600.00 2.50 F. ACUM 2,640.00

YC= 26,400.00 + (2640)(4)YC= 26,400.00 + 10560YC= 36,960.00

F. ACUM 1,320.00 YC= 33,000.00 + (1320)(3)YC= 33,000.00 + 3960YC= 36,960.00

LA EMPRESA COMPUTADORAS ACTIVAS, S.A.

N AÑOS X Y XY X21 2003 0 25,000.00 - 02 2004 1 27,500.00 27,500.00 13 2005 2 24,000.00 48,000.00 44 2006 3 26,000.00 78,000.00 95 2007 4 28,000.00 112,000.00 166 2008 5 29,500.00 147,500.00 25

SUMATORIA 15 160,000.00 413,000.00 552009 ?

1 160,000.00 = 6a + 15b -152 413,000.00 = 15a + 55b 6

901 -2400000 = .-90a + .-225b2 2478000 .+90a + .+330b

78000 = 0 + 105b

78000/105 = b742.86 = b

2478000 = .+90a + .+330b2478000 = .+90a + .+330(742.86)2478000 = 90a + 245,143.80

2478000-245143.80 = 90a 2,232,856.20 = 90a2232856.20/90 = a 24,809.51 = a

YC = a + b(x)YC = 24,809.51 + 742.86 (6)YC = 24,809.51 + 4457.16YC = 29,267 UNIDADES

AÑOS IMPARESN AÑOS X Y XY X2

1 2004 -2 27500 -55000 42 2005 -1 24000 -24000 13 2006 0 26000 0 04 2007 1 28000 28000 15 2008 2 29500 59000 4

SUMATORIA 135000 8000 102009 3

135000 = 5a + bx135000 = 5a + b(0)135000 = 5a

135000/5 = a27000 = a

8000 = 27000(0) + 10b8000 = 0 + 10b

8000/10 = b800 = b

YC = 27000 + 800(3)YC = 27000 + 2400YC = 29400 UNIDADES

AÑOS PARESN AÑOS X Y XY X2

1 2003 -5 25000 -125000 252 2004 -3 27500 -82500 93 2005 -1 24000 -24000 1

04 2006 1 26000 26000 15 2007 3 28000 84000 96 2008 5 29500 147500 25

SUMATORIA 0 160000 26000 702009 7 ?

160000 = 6a + b(0)160000 = 6a

160000/6 = a26666.67 = a

26000 = 26666.67(0) + 70b26000 = 26666.67(0) + 70b26000 = 70b

26000/70 = b

371.428571 = b

YC= 26666.67 + 371.428571(7)YC= 26666.67 + 2600YC= 29267 UNIDADES

X AÑOS VENTAS EN UNIDADES 0 2003 30,000.00 1 2004 35,500.00 2 2005 31,000.00 3 2006 37,000.00 4 2007 39,000.00 5 2008 40,500.00

2009

1 10,500.00 2 2,100.00 FACTOR DE ACUMULACION

YC = 30,000.00 + (2100)(6)YC= 30,000.00 + 12,600.00 YC= 42,600.00 +

AÑOS VENTAS EN UNIDADES FACTOR DE ACUMULACION2003 25,000.00 9002004 27,500.00 9002005 24,000.00 9002006 26,000.00 9002007 28,000.00 9002008 29,500.00 9002009 30,400.00

1 4,500.00 INCREMENTO2 4500/ 53 VENTAS ESPERADAS = 30,400.00

200.00

VENTAS MÀS FACTOR DE ACUMULACIÒN 25,900.00 28,400.00 24,900.00 26,900.00 28,900.00 30,400.00

900 FACTOR2009