5.2 Suppose that a researcher, using wage data on 200 randomly selected male workers and 240...
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5.2 Suppose that a researcher, using wage data on 200 randomly selected male workers and 240 female workers, estimates the OLS regression Wage = 10.73 +1.78 X Male, R² = 0.09, SER = 3.8, (0.16) (0.29) where Wage is measured in dollars per hour and Male is a binary variable that is equal to 1 if the person is a male and 0 if the person is a female. Define the wage gender gap as the difference in mean earnings between men and women. a. What is the estimated gender gap? b. Is the estimated gender gap significantly different from 0? (Compute the p-value for testing the null hypothesis that there is no gender gap.) c. Construct a 95% confidence interval for the gender gap. d. In the sample, what is the mean wage of women? Of men? e. Another researcher uses these same data but regresses Wages on Female, a variable that is equal to 1 if the person is female and 0 if the person a male. What are the regression estimates calculated from this regression? Wage 5.3 Suppose a random sample of 100 25-year-old men is selected from a popula- tion and their heights and weights are recorded. A regression of weight on height yields + X Female, R2 = SER = Weight = -79.24 + 4.16 x Height, R2 = 0.72, SER = 12.6, (3.42) (42) where Weight is measured in pounds and Height is measured in inches. One man has a late growth spurt and grows 2 inches over the course of a year. Construct a 95% confidence interval for the person's weight gain. 5.2 Suppose that a researcher, using wage data on 200 randomly selected male workers and 240 female workers, estimates the OLS regression Wage = 10.73 +1.78 X Male, R² = 0.09, SER = 3.8, (0.16) (0.29) where Wage is measured in dollars per hour and Male is a binary variable that is equal to 1 if the person is a male and 0 if the person is a female. Define the wage gender gap as the difference in mean earnings between men and women. a. What is the estimated gender gap? b. Is the estimated gender gap significantly different from 0? (Compute the p-value for testing the null hypothesis that there is no gender gap.) c. Construct a 95% confidence interval for the gender gap. d. In the sample, what is the mean wage of women? Of men? e. Another researcher uses these same data but regresses Wages on Female, a variable that is equal to 1 if the person is female and 0 if the person a male. What are the regression estimates calculated from this regression? Wage 5.3 Suppose a random sample of 100 25-year-old men is selected from a popula- tion and their heights and weights are recorded. A regression of weight on height yields + X Female, R2 = SER = Weight = -79.24 + 4.16 x Height, R2 = 0.72, SER = 12.6, (3.42) (42) where Weight is measured in pounds and Height is measured in inches. One man has a late growth spurt and grows 2 inches over the course of a year. Construct a 95% confidence interval for the person's weight gain.
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Answer rating: 100% (QA)
ANSWER male workers are 200 The OLS regression is wage S 1073 178 X Male R 009 SER 38 016 ... View the full answer
Related Book For
Introduction to Econometrics
ISBN: 978-0133595420
3rd edition
Authors: James H. Stock, Mark W. Watson
Posted Date:
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