DEMANDA

PRECIO CANTIDADx y

15 10017 9819 9018 9220 9022 84.351351351351324 79.756756756756725 77.459459459459426 75.1621621621621

Proyectar las ventas de la empresa

y=a+bx

XY X^2precio cantidadx y

15 100 1500 22517 98 1666 28919 90 1710 361

18 92 1656 32420 90 1800 40089 470 8332 1599

X Y15 10017 9819 9018 9220 9022 84.351351351351324 79.756756756756725 77.459459459459426 75.1621621621621

b= n ∑ XY - ∑ X ∑ Y a = ∑ Y - b∑ X

n∑ X2 - (∑ X )2 n n

N= 5B= -2.2972973

Y^2 A= 134.8918919

1000096048100

8464 Y=134.89-2.29X8100

44268

b= n ∑ XY - ∑ X ∑ Y a = ∑ Y - b∑ X

n∑ X2 - (∑ X )2 n n

70 75 80 85 90 95 100 1050

5

10

15

20

25

30

Chart Title

OFERTA

PUBLICIDAD Ventas(Miles de dólares) (Miles de dólares)

10 14012 16017 18015 17018 20022 21030 240

b= n ∑ XY - ∑ X ∑ Y a = ∑ Y - b∑ X

n∑ X2 - (∑ X )2 n n

0 2 4 6 8 10 120

2

4

6

8

10

12

Column C

b= n ∑ XY - ∑ X ∑ Y a = ∑ Y - b∑ X

n∑ X2 - (∑ X )2 n n

0 2 4 6 8 10 120

2

4

6

8

10

12

Column C