Judge and Cable (2010) report the results of the study demonstrating a negative relationship between weight and income for a group of women professionals. Following are data similar to those obtained in the study. To simply the weight variable, the women were classified into give categories that measure actual weight relative to height, from 1=thinnest to 5=heaviest. Income figures are annual income (in thousands) rounded to the nearest $1,000.
a. Calculate the Pearson correlation for these data
|
Weight (X)
|
Income (Y)
|
|
1
|
125
|
|
2
|
78
|
|
4
|
49
|
|
3
|
63
|
|
5
|
35
|
|
2
|
84
|
|
5
|
38
|
|
3
|
51
|