The correlation coefficient between two variables X and Y was 0.6 (r1) and that between a and b was 0.3 (r2). Which one of the following is TRUE with regard to interpretation of the values of r1 and r2?
1
Absolute difference between r1 and r2 is 0.3.
2
r1 is twice as high as r2.
3
r1 is three times as high as r2.
4
r1 is four times as high as r2.