# Question: Given the regression equation Y 100 21X a What is

Given the regression equation

Y = 100 + 21X

a. What is the change in Y when X changes by +5?

b. What is the change in Y when X changes by -7?

c. What is the predicted value of Y when X = 14?

d. What is the predicted value of Y when X = 27?

e. Does this equation prove that a change in X causes a change in Y?

Y = 100 + 21X

a. What is the change in Y when X changes by +5?

b. What is the change in Y when X changes by -7?

c. What is the predicted value of Y when X = 14?

d. What is the predicted value of Y when X = 27?

e. Does this equation prove that a change in X causes a change in Y?

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