7.1 Questions
Regression Method #1
1.   What does the value of the SSE represent? How is it useful to find the best-fit line?
2.   Explain what the equation of the line represents.
3.   How did the residual plots help to find the best-fit line? How should the residuals be distributed? Hint: Should there be any trends or patterns in the residuals?
Regression Method #2
1.   Why would you want to choose the point
for a pivot point?
2.   How were the residuals used to find the best-fit line?