The analyst from Exercise 11, worried about collinearity, regresses Age against Past Spending, Income and Networth.

The output shows:

What is the VIF for Age?

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Response Variable: Age R = 98.75% Adjusted R2 = 98.74% s = 2.112 with 908 4 - Variable Coeff 904 degrees of freedom SE (Coeff) t-ratio P-value (Intercept) 2.000e+01 1.490e-01 134.234 <0.0001 Past. Spending Income Networth 3.339e-04 1.828e-04 1.826 0.0681 3.811e 04 7.610e-06 50.079 <0.0001 2.420e 05 1.455e-06 16.628 <0.0001