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An Analyst Has Identified 3 Independent Variables (X1, X2, X3)

Question 54

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An analyst has identified 3 independent variables (X1, X2, X3) which might be used to predict Y. He has computed the regression equations using all combinations of the variables and the results are summarized in the following table. Which combination of variables provides the best regression results? An analyst has identified 3 independent variables (X<sub>1</sub>, X<sub>2</sub>, X<sub>3</sub>) which might be used to predict Y. He has computed the regression equations using all combinations of the variables and the results are summarized in the following table. Which combination of variables provides the best regression results? A) X<sub>1</sub> B) X<sub>1</sub>, X<sub>2</sub> and X<sub>3</sub> C) X<sub>1</sub> and X<sub>2</sub> D) X<sub>2</sub> and X<sub>3</sub>


A) X1
B) X1, X2 and X3
C) X1 and X2
D) X2 and X3

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