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for a particular value of . Indicate which of i. through v. is correct. Justify your answer.

As we increase from 0, the irreducible error will:

4. Suppose we estimate the regression coefficients in a linear regression model by minimizing n (-+ .) + Yi Bo - Bjlij By i=1 j=1 j=1 i. Increase initially, and then eventually start decreasing in an inverted U shape. ii. Decrease initially, and then eventually start increasing in a U shape. iii. Steadily increase. iv. Steadily decrease. v. Remain constant