Correlation ACT GPA X - X (X - X)2 30 3.5 ( Y - Y ( Y - Y ) 2 (X - X ) (Y - Y) 21 2.2 -5 24 25 2.5 0 . 5 28 3.2 2 - 0.2 0. 01 29 0. 4 0 . 2 3 6. 2 0.04 22 2.1 27 2.8 0 .5 23 2.2 0 . 4 24 2.6 -0.2 0.05 23 2.3 0.5 0 .2 29 3.3 9 32 3.8 35 O 139 22 Compute the r for the above data show your work. r= 1 2