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Given the regression equation Y 50 12X a What is

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?

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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