1. The following data represent two frequency distributions for 10 people in an attitude study. The X data are scores on an attitude-toward-education measure and the Y data are scores on an attitude-toward-wealth scale.
Subject X Y
1 6 8
2 7 10
3 8 12
4 11 16
5 12 20
6 12 19
7 12 15
8 8 12
9 10 15
10 5 8
Compute the Pearson product-moment correlation coefficient