Given the regression equationY = -50 + 12Xa. What is the change in Y when X changes by +3?b. What is the change in Y when X changes by -4?c. What is the predicted value of Y when X = 12?d. What is the predicted value of Y when X = 23?e. Does this equation prove that a change in X causes a change in Y?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Given the regression equation
Y = -50 + 12X

a. What is the change in Y when X changes by +3?
b. What is the change in Y when X changes by -4?
c. What is the predicted value of Y when X = 12?
d. What is the predicted value of Y when X = 23?
e. Does this equation prove that a change in X causes a change in Y?

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