Question: Using the regression results in column (2): (a) Is age an important determinant of earnings? Explain. (b) Sally is a 29-year-old female college graduate. Betsy

Using the regression results in column (2):
(a) Is age an important determinant of earnings? Explain.
(b) Sally is a 29-year-old female college graduate. Betsy is a 34-year-old female college graduate. Predict Sally's and Betsy's earnings.

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