Chapter 3
1. Make up 3 datasets each with 10 observations (rows) and 2 variables (columns). One should have a correlation greater than .8; one should have a correlation between .4 and .7; one should have a correlation between -.20 and +.20.
2. Compute Pearson's r and Spearman's rho for the following data:
1,2
5,9
6,8
12,20