Use the given information to find the coefficient ofdetermination A regression e

Question

Use the given information to find the coefficient ofdetermination
A regression equation is obtained for a collection ofpaired data, It is found that total variation is 29.045, theexplained variation is 15.212, and the unexplained variation is13.833. Find the coefficient of determination.

Use the given information to find the coefficient ofdetermination
A regression equation is obtained for a collection ofpaired data, It is found that total variation is 29.045, theexplained variation is 15.212, and the unexplained variation is13.833. Find the coefficient of determination.

Explanation / Answer

Step 1: Define terms.
SS(Total) = 29.045
SS(Regression) = 15.212
    which is the amount of the total that isexplained by the regression model
SS(Error) = 13.833
Notice that: SS(Regression) + SS(Error) = SS(Total)

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