Consider a regression study involving wages in as the y var
Consider a regression study involving wages in $ as the y variable and the x variables are years of experience, and years of education. Suppose you have the following data
Person Years of experience Years of education
1 4 11
2 2 20
3 10 12
4 13 14
5 25 16
If you create variable called low_experience which equals 1 if the person has less than 5 years of experience, and 0 otherwise, which person would be coded as1 and which as 0 [2]
If you create variable called medium_experience which equals 1 if the person has between 5 and 15 years of experience, and 0 otherwise, which person would be coded as1 and which as 0 [2]
If you create variable called high_experience which equals 1 if the person has more than 15 years of experience, and 0 otherwise, which person would be coded as1 and which as 0 [2]
Suppose you estimate the following regression
Y= 5.5 + 10Years of Education + 10Medium_Experience + 19High_Experience
Interpret the coefficient on years of education [3]
Why can you not include 3 dummy variables in the above regression [4]
Interpret the constant [3]
Interpret the coefficient on Medium_Experience [3]
Interpret the coefficient on High_Experience [3]
Solution
If you create variable called low_experience which equals 1 if the person has less than 5 years of experience, and 0 otherwise, which person would be coded as1 and which as 0 [2]
1 will be person 1 and 2
0 will be person 3 , 4 ,5
If you create variable called medium_experience which equals 1 if the person has between 5 and 15 years of experience, and 0 otherwise, which person would be coded as1 and which as 0 [2]
1 will be person 3 and 4
0 will be person 1 2 and 5
If you create variable called high_experience which equals 1 if the person has more than 15 years of experience, and 0 otherwise, which person would be coded as1 and which as 0 [2]
1 will be person 5
0 will be person 1 ,2 ,3 ,4
Interpret the coefficient on years of education [3]
for each year of education that the person have you will have an increase of 10 units in Y
for the other literals
I can gladly help you but you should post it in a new quesiton

