Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does switching the variables have on r?
Row 1
|
12
|
21
|
33
|
43
|
60
|
69
|
80
|
|
Row 2
|
158
|
115
|
129
|
105
|
106
|
145
|
171
|
|