4. The STATA output below uses the Educational Attainment and Wage Equations (EAWE) data similar to what we have investigated in class: reg EARNINGS S FEMALE ASVABC ETHHISP ETHWHITE MARRIED EXP TENURE 500 Source | df Number of obs SS MS omitted F (8, 491) Model | 11567.0578 8. omitted Prob > F omitted omitted Residual 55379.8233 491 R-squared Adj R-squared 0.1728 0.1593 Total | 10.62 66946.8811 499 134.162086 Root MSE P> |t| EARNINGS | Std. Err. [95% Conf. Interval] Coef. 5.13 1.282268 .2499762 0.000 .7911128 1.773423 0.012 -.5480824 3.428481 FEMALE | ASVABC | -2.457466 .9717918 -2.53 -4.36685 2.206915 .6217233 3.55 0.000 .9853484 1.985396 0.685 3.094036 ETHHISP -.8068838 -0.41 -4.707804 ETHWHITE | MARRIED | 1.670643 -0.98 0.329 -1.63153 -4.91402 1.650961 1.720857 .9850864 1.75 0.081 -.2146475 3.656362 . 4396207 EXP | 3.99 .8659335 .2169744 0.000 1.292246 .3597575 .1895722 1.90 0.058 -.0127153 .7322303 TENURE -6.210424 2.704951 4.537532 -1.37 0.172 -15.1258 cons Assume the true model of the relationship is EARNINGS = ß1 + B2S + B3FEMALE + B4ASV ABC + В-ЕТНHISP + BsЕТHWHITE + B-MARRIED + B3EXP + B9TENURE + u where EARNINGS is hourly earnings in dollars, S is years of schooling, FEMALE is a dummy variable for women, ASVABC is a measure of cognitive ability, ETHHISP is a dummy for Hispanic people, ETHWHITE is a dummy for White people, MARRIED is a dummy variable for the married, EXP is of job experience after the graduation, and TENURE is years after one's job was tenured. (to.05,491 years = 1.6479629 to.025,491 1.9648027, and Fo.05(8, 491) = 1.9572532) Interpret the estimated coefficients. (Answer briefly) Based on the regression output above, are there any differences in hourly earnings by race? Based on the regression output above, are there any differences in hourly earnings by gender? Test the overall significance of the regression model at the 5% level of significance. Define the relevant hypotheses and compute the F-statistic for the test. What would be the conclusion of the test? Explain the result. How do you check the heteroskedasticity? Explain the relevant test procedure with the model above. (a) (b) (c) (d) (e) (f) Assume that you detected the heteroskedasticity from the given regression model. How can you possibly resolve the problem? Explain.
4. The STATA output below uses the Educational Attainment and Wage Equations (EAWE) data similar to what we have investigated in class: reg EARNINGS S FEMALE ASVABC ETHHISP ETHWHITE MARRIED EXP TENURE 500 Source | df Number of obs SS MS omitted F (8, 491) Model | 11567.0578 8. omitted Prob > F omitted omitted Residual 55379.8233 491 R-squared Adj R-squared 0.1728 0.1593 Total | 10.62 66946.8811 499 134.162086 Root MSE P> |t| EARNINGS | Std. Err. [95% Conf. Interval] Coef. 5.13 1.282268 .2499762 0.000 .7911128 1.773423 0.012 -.5480824 3.428481 FEMALE | ASVABC | -2.457466 .9717918 -2.53 -4.36685 2.206915 .6217233 3.55 0.000 .9853484 1.985396 0.685 3.094036 ETHHISP -.8068838 -0.41 -4.707804 ETHWHITE | MARRIED | 1.670643 -0.98 0.329 -1.63153 -4.91402 1.650961 1.720857 .9850864 1.75 0.081 -.2146475 3.656362 . 4396207 EXP | 3.99 .8659335 .2169744 0.000 1.292246 .3597575 .1895722 1.90 0.058 -.0127153 .7322303 TENURE -6.210424 2.704951 4.537532 -1.37 0.172 -15.1258 cons Assume the true model of the relationship is EARNINGS = ß1 + B2S + B3FEMALE + B4ASV ABC + В-ЕТНHISP + BsЕТHWHITE + B-MARRIED + B3EXP + B9TENURE + u where EARNINGS is hourly earnings in dollars, S is years of schooling, FEMALE is a dummy variable for women, ASVABC is a measure of cognitive ability, ETHHISP is a dummy for Hispanic people, ETHWHITE is a dummy for White people, MARRIED is a dummy variable for the married, EXP is of job experience after the graduation, and TENURE is years after one's job was tenured. (to.05,491 years = 1.6479629 to.025,491 1.9648027, and Fo.05(8, 491) = 1.9572532) Interpret the estimated coefficients. (Answer briefly) Based on the regression output above, are there any differences in hourly earnings by race? Based on the regression output above, are there any differences in hourly earnings by gender? Test the overall significance of the regression model at the 5% level of significance. Define the relevant hypotheses and compute the F-statistic for the test. What would be the conclusion of the test? Explain the result. How do you check the heteroskedasticity? Explain the relevant test procedure with the model above. (a) (b) (c) (d) (e) (f) Assume that you detected the heteroskedasticity from the given regression model. How can you possibly resolve the problem? Explain.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 1 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman