Formulas de estudio de mercado
Demanda - Precio
Q = k.pe
Log q = Log k + e Log p
( Log q = n Log k + e (Log p
( Log q. Log p = Log k (Log p + e ( (Log p)2Calculo del Coeficiente de Correlación
R = e S Log p
S Log q
S2Log p = ( (Log p)2 - (Log p 2
n n
S2Log q = ( (Log q)2 - (Log q 2n n
Demanda – Ingreso
Q = k.ye
Log q = Log k + e Log y
(Log q = n Log k + e (Log y
( Log q. Log y = Log k ( Log y + e ( (Log y)2Calculo del Coeficiente de Correlación
R = e S Log Y
S Log q
S2 Log p = ( (Log Y)2 - (Log Y 2
n n
S2 Log q = ( (Log q)2 - (Log q 2n n
Mínimos Cuadrados
Función Parabólica de Grado 2
Y = a + b x + cx2
( y = a n + b (x + c (x2
(y x = a (x + b (x2 + c (x3
( y x2= a (x2 + b (x3 + c (x4
Cálculo del Coeficiente de Correlación
R2 = ( (Ye – Y)2
( (Y - Y)2
Y = (y
n
Modelo ExponencialY = ab x
Log Y = Log a + X Log b
Regresión Simple
(Log y = n Log a + Log b (X
(T Log y = Log a (X + Log b (X2
Calculo del Coeficiente de Correlación
R2= Logb SX S Log Y
SX2 = (X2 - (X 2
n n
S Log Y 2 = ( (Log Y)2 –(Log Y 2
n n
Modelo Potencial
Y = aXb
Log Y = Log a + b Log X
Regresión
(Log Y = n Log a + b (Log X
(Log Y LogT = Log a (Log X + b ( (Log X)2
Calculo del Coeficiente de Correlación
R= b S Log X
S Log Y
S2 Log X = ( (Log X)2 – (Log X 2
n...
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