In: Statistics and Probability
Consider the following equation:
^Salary i = 5284.33 + 68.15 Edu i - 286.95 Di + 85.62 Edu i Di
Edu i - number of years of education for an individual
Di = 1 if the individual is a male
Di = 0 if the individual is a femal.
a) what type of dummy variable is Di?
b) what type of dummy variable is Edu i Di ?
c) write a statement explaining the meaning of the coefficient of Edu i Di.