1. Intercept for high school graduate
2. Intercept for college graduate
3. Has units $thousand/year, high school graduate
4. Has units $thousand/year, college graduate
5. Difference in slopes
6. Difference in intercepts
7. Interaction
8. Equal variances
9. Average salary for high school graduate with 10 years of experience
10. Average salary for college graduate with 10 years of experience
(a) β1
(b) β3
(c) β0 + β2
(d) β0 + β1 10
(e) X × D
(f) e
(g) β1 + β3
(h) β0 + β2 + (β1 + β3) 10
(i) β0
(j) β2