Question: Suppose that a multiple regression has (k=7) explanatory variables. The coefficient of determination, (R^{2}), is found to be 0.829 based on a sample of (n=20)

Suppose that a multiple regression has $k=7$ explanatory variables. The coefficient of determination, $R^{2}$, is found to be 0.829 based on a sample of $n=20$ observations.

(a) Compute the adjusted $R^{2}$.

(b) Compute the $F$-test statistic.

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