Refer to the Minitab-generated scatterplot given in Exercise 12 of Section 10-2. a. Using the pairs of

Question:

Refer to the Minitab-generated scatterplot given in Exercise 12 of Section 10-2.

a. Using the pairs of values for all 8 points, find the equation of the regression line.
b. Using only the pairs of values for the 4 points in the lower left corner, find the equation of the regression line.
c. Using only the pairs of values for the 4 points in the upper right corner, find the equation of the regression line.
d. Compare the results from parts (a), (b), and (c).