The extra point revisited The original five points in Exercise 27 produce a regression line with slope 0. Match each of the green points (a–e) with the slope of the line after that one point is added:...

The extra point revisited The original five points in Exercise 27 produce a regression line with slope 0. Match each of the green points (a–e) with the slope of the line after that one point is added:

1) -0.45                  4) 0.05

2) -0.30                   5) 0.85

3) 0.00