1. For the following pairs of points, verify that the least squares regression line is Y^ = 1.8X - 8.5.
X:
|
5
|
8
|
9
|
7
|
14
|
Y:
|
3
|
1
|
6
|
7
|
19
|
2. Compute the residuals using the results from given Exercise. Verify that if you square and sum the residuals, you get 47, rounding to the nearest integer.
Exercise
For the following pairs of points, verify that the least squares regression line is Y^= 1.8X - 8.5.
X:
|
5
|
8
|
9
|
7
|
14
|
Y:
|
3
|
1
|
6
|
7
|
19
|