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###### Exercise 3 Three variables N, D, and Y all have zero sample means and unit sample variances. A fourth variable is C = N + D. In the regression of â‚¬ OH Y, the slope is 0.8. In the regression of â‚¬ OH N,the slope is 0.5. In the regression of D On Y the slope is 0.4_ What is the error Sum of squares in the regression of C On D? There are 21 observations.

Exercise 3 Three variables N, D, and Y all have zero sample means and unit sample variances. A fourth variable is C = N + D. In the regression of â‚¬ OH Y, the slope is 0.8. In the regression of â‚¬ OH N,the slope is 0.5. In the regression of D On Y the slope is 0.4_ What is the error Sum of squares in the regression of C On D? There are 21 observations.

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