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Question

Inspection of the following table of correlation coefficients for variables in a multiple regression analysis reveals that the first independent variable entered by the forward selection procedure will be ___________.

 y x1 x2 x3 x4 x5
y 1




x1 -0.44008 1



x2 0.566053 -0.51728 1


x3 0.064919 -0.22264 -0.00734 1

x4 -0.35711 0.028957 -0.49869 0.260586 1
x5 0.426363 -0.20467 0.078916 0.207477 0.023839 1

a) x1
b) x2
c) x3
d) x4
e) x5

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