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Consider the regression model where is the error term

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2. Consider the regression modelwhereis the error term. The OLS estimators forandare derived by:a. connecting thecorresponding to the lowestobservation with thecorresponding to thehighestobservation.
b. making sure that the standard error of the regression equals the standard error of the slope estimator.c. minimizing the sum of absolute residuals.d. minimizing the sum of squared residuals.3. Consider the regression modelwhereis the error term. The OLS estimator foris obtained by:
4. The regression R2is a measure of:
5. The OLS residuals:
6. Which of the following assumptions definitely does not apply to a linear regressionwith oneregressor?a. homoskedasticityb. zero meanc. independenced. multicollinearity
7.Heteroskedasticitymeans that:
18. Theconfidence intervalfor the sample regression function slope:

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Term
Fall
Professor
Dr.TomsonOgwang
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