Almacenes
Enviado por Ana_Mayagui • 24 de Febrero de 2015 • 253 Palabras (2 Páginas) • 217 Visitas
Enero
B=(n ∑▒〖xy-(∑▒〖x) (∑▒〖y)〗〗〗)/(n∑▒x^2 -(∑▒〖x)²〗)
B=(6 (2,520)-(21)(740))/(6(91)-(21)²)
B=(15120-15,540)/(546-441)
= -420/105 = -4
A=(∑▒〖y-b∑▒x〗)/n
A=(740-(-4)(21))/6
A=137.33
Y = A+ Bx
= 137.33 + (-4(20))
=57.33
Febrero
Periodo (x) Demanda (y) xy x²
1 40 40 1
2 100 200 4
3 300 900 9
4 20 80 16
5 200 1000 25
6 50 300 36
Total = 21 Total = 710 Total = 2520 Total = 91
B=(n ∑▒〖xy-(∑▒〖x) (∑▒〖y)〗〗〗)/(n∑▒x^2 -(∑▒〖x)²〗)
B=(6 (2,520)-(21)(710))/(6(91)-(21)²)
B=(15120-14910)/(546-441)
= 210/105 = 2
A=(∑▒〖y-b∑▒x〗)/n
A=(710-2(21))/6
A=111.33
Y = A+ Bx
= 111.33 + 2(20)
= 151. 33
Marzo
Periodo (x) Demanda (y) xy x²
1 100 100 1
2 40 80 4
3 100 300 9
4 60 240 16
5 10 50 25
6 90 540 36
Total = 21 Total = 400 Total = 1310 Total = 91
B=(n ∑▒〖xy-(∑▒〖x) (∑▒〖y)〗〗〗)/(n∑▒x^2 -(∑▒〖x)²〗)
B=(6 (1310)-(21)(400))/(6(91)-(21)²)
B=(7860-8400)/(546-441)
= - 540/105 = - 5.14
A=(∑▒〖y-b∑▒x〗)/n
A=(400-(-5.14)(21))/6
A=84.65
Y = A+ Bx
= 84.65 + (- 5.14 (20))
= -18.55
Abril
Periodo (x) Demanda (y) xy x²
1 200 200 1
2 50 100 4
3 80 240 9
4 150 600 16
5 30 150 25
6 130 780 36
Total = 21 Total = 640 Total = 2070 Total = 91
B=(n ∑▒〖xy-(∑▒〖x) (∑▒〖y)〗〗〗)/(n∑▒x^2 -(∑▒〖x)²〗)
B=(6 (2,070)-(21)(640))/(6(91)-(21)²)
B=(12,420-13440)/(546-441)
= - 1020/105 = - 9.71
A=(∑▒〖y-b∑▒x〗)/n
A=(640-(-9.71)(21))/6
A=140.65
Y = A+ Bx
= 109.33 + (-9.71 (20))
= - 53.56
Mayo
Periodo
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