Question: You have fit a linear regression model with three predictors to a sample of 50 observations. The total sum of squares is 150 and the

You have fit a linear regression model with three predictors to a sample of 50 observations. The total sum of squares is 150 and the regression sum of squares is 120 . The estimate of the error variance is

a. 15.1

b. 10

c. 13

d. 9.85

e. None of the above.

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