Creating the app, they collected sample data and developed the following regression equation: where ₁ = number of developers b₂ a. What is the value of b2 in the equation? = 2= number of hours spent creating the app 23= cost of software and testing ($'000) y = total cost of creating app ($'000) y = -8.825+20.4861 +0.56x2 +1.02x3 O Yes 8 b. Does it make sense to interpret by in this equation? O No c. Predict the cost of creating an app involving 3 developers, 650 hours and $18,000 in software and testing costs.
Creating the app, they collected sample data and developed the following regression equation: where ₁ = number of developers b₂ a. What is the value of b2 in the equation? = 2= number of hours spent creating the app 23= cost of software and testing ($'000) y = total cost of creating app ($'000) y = -8.825+20.4861 +0.56x2 +1.02x3 O Yes 8 b. Does it make sense to interpret by in this equation? O No c. Predict the cost of creating an app involving 3 developers, 650 hours and $18,000 in software and testing costs.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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