Anscombe's quartet

I
10 8 13 9 11 14 6 4 12 7 5
8.04 6.95 7.58 8.81 8.33 9.96 7.24 4.26 10.84 4.82 5.68

II
10 8 13 9 11 14 6 4 12 7 5
9.14 8.14 8.74 8.77 9.26 8.1 6.13 3.1 9.13 7.26 4.74

III
10 8 13 9 11 14 6 4 12 7 5
7.46 6.77 12.74 7.11 7.81 8.84 6.08 5.39 8.15 6.42 5.73

IV
8 8 8 8 8 8 8 19 8 8 8
6.58 5.76 7.71 8.84 8.47 7.04 5.25 12.5 5.56 7.91 6.89


All have 
N 11
x bar 9
y bar 7.5
r .816