Weighted least squares. Consider the data in Table 9-4. a. Estimate the OLS regression Yi = B1
Question:
Yi = B1 + B2Xi + ui
b. Estimate the WLS
(Make sure that you run the WLS through the origin.) Compare the results of the two regressions. Which regression do you prefer? Why?
AVERAGE COMPENSATION IN RELATION TO PRODUCTIVITY
BY EMPLOYMENT SIZE, U.S. MANUFACTURING INDUSTRIES
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