Question: In the Nissan Motor Company situation in problem 11 21 suppose
In the Nissan Motor Company situation in problem 11-21, suppose that a new variable is considered for inclusion in the equation and a new regression relationship is analyzed with the new variable included. Suppose that the resulting multiple coefficient of determination is R2 = 91.8%. Find the adjusted multiple coefficient of determination. Should the new variable be included in the final regression equation? Give your reasons for including or excluding the variable.
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