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August 11th, 2016, 10:45 AM   #1
Joined: Aug 2016
From: KSA

Posts: 1
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Unhappy Decision maker equation (comparing 3 variables)

I want to create an equation to make decision on the best product that i want to be the best for example:
I have this 4 products:
- product1: lives 1 months, quality 70%, people rating 50%
- product2: lives 2 months, quality 60%, people rating 60%
- product3: lives 3 months, quality 50%, people rating 60%
- product4: lives 10 months, quality 40%, people rating 40%
how can i make an equation so from this equation i can choose product3 as the best choose for customers?

i couldn't create a relation between these choose based on what in my view is the best

i tried to do 4 equation with 4 varibles (x1,x2,x3 and x4) and assume results then apply it to 100 product and it doesn't work
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