actionlesionprevvente.py

Created by maneohanian-1

Created on March 24, 2024

667 Bytes

#prix jaurai du acheter =
278536 soit 3764x74
prix que jai acheter = 158536
prix que je dois 
(278536-158536)-1/10 x 278536

anne xi 
vente yi
x=(xi-x/)
y=(yi-y/)
xy
x2

calcul point moyen m
x/= moyenne annee 55/10
y/= moyenne vente 1993/10

calcul coef direct droite a 
a= total xy/ total x2

calcul constante b 
b= y/ - a*x/
199-(22*5)= 30

equation de la droite des moindres
carres secrit alors 
y = (22x) + 30
t1 = (9x17)+30 = 29


calcul coef saisonnier 

moyenne des trimestre
t1/4=6 t2/4 t3/4 t4/4
moyenne des moyenne 

calucl coef 
t1 = 6/moyenne des moyenne
t2 t3 t4

calcul des previson de vente n+4
t = coef x y
t1 = 6x29

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