Problem
1. Using the lifeexpW dataset, regress lifeexp on pop growth and lgnppc. Generate an added value plot by using applet safe water. What do you conclude about the regression estimates?
2. Refit the model including safe water. Use Ramsey's RESET to evaluate the spec litigation. What do you conclude?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.