Consider a regression model of workers' wages using vector-matrix notation and education data. Data are provided in the table below: Constant Wage 1.82 2.14 1.56 Person 1 2 3 10 a) Using the information in the table above, discuss whether there is linear independence in the above model b) Compute the coefficient vector of this model c) The researcher transformed the wage variable into natural log values using Stata and the education values were considered in terms of years. How could you interpret the coefficient on education? d) Use the estimated coefficient vector to compute the total sum of squared error E'ε. Education 13 15 1 1 1 e) Compute the R² and explain how well education explains the variation in wages. f) Briefly comment on the reliability of the above result.
Consider a regression model of workers' wages using vector-matrix notation and education data. Data are provided in the table below: Constant Wage 1.82 2.14 1.56 Person 1 2 3 10 a) Using the information in the table above, discuss whether there is linear independence in the above model b) Compute the coefficient vector of this model c) The researcher transformed the wage variable into natural log values using Stata and the education values were considered in terms of years. How could you interpret the coefficient on education? d) Use the estimated coefficient vector to compute the total sum of squared error E'ε. Education 13 15 1 1 1 e) Compute the R² and explain how well education explains the variation in wages. f) Briefly comment on the reliability of the above result.
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.5: Choosing A Data Display
Problem 19E
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Transcribed Image Text:Consider a regression model of workers' wages using vector-matrix notation and
education data. Data are provided in the table below:
Person
1
2
3
Education
13
15
10
a) Using the information in the table above, discuss whether there is linear
independence in the above model
b) Compute the coefficient vector of this model
c) The researcher transformed the wage variable into natural log values using Stata
and the education values were considered in terms of years. How could you
interpret the coefficient on education?
d) Use the estimated coefficient vector to compute the total sum of squared error
ε'ε.
Wage
1.82
2.14
1.56
Constant
1
1
1
e) Compute the R² and explain how well education explains the variation in wages.
f) Briefly comment on the reliability of the above result.
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