1) Gujarati, p.145 #5.3 a)-c).

2) Gujarati, p.270 #8.5.

3) Gujarati, p.276 #8.32 (Do the regression calculation with SAS and 
hand in the SAS regression output).

4) Gujarati, p.276 #8.33.

5) Gujarati, p.279 #8.35 (Do the regression calculation with SAS and 
hand in the SAS regression output).

6) Gujarati, p.308 #9.15.