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Given the regression equation Y = 100 + 21X a) What is the change in Y when X changes by +5? b) What is the

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 the equation prove that a change in X causes a change in Y

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