Use the residual plot to analyze the result of the correlation. 0.8
0.6 -
0.4 -
0.2 -
0
Residual
-0.2
-0.4 -
-0.6
-0.8 -
-1 -
-1.2
-1.4-1
2
3
4
5
6
7
8
9
10 11
This is not a good model because the residual plot becomes thicker on one end.
This is a good model because the residual plot is not an obvious pattern and does not become thicker toward one of the ends.
This is a good model because the residual plot shows an obvious pattern.
This is not a good model because the residual plot has an obvious pattern.