Question: =7. In a regression model, if every sample point is on the regression line (all errors are 0), then a. the correlation coefficient would be

=7. In a regression model, if every sample point is on the regression line (all errors are 0), then

a. the correlation coefficient would be 0.

b. the correlation coefficient would be −1 or 1.

c. the coefficient of determination would be −1

d. the coefficient of determination would be 0.

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