Anscombe's Quartet

12 - 12 - 10 10 8 8 4 4 6 8 12 14 16 18 4 6 8 10 12 14 16 18 X1 X2 12 12 10 10 4 4 4 6 8 10 12 14 16 18 4 6 8 10 12 14 16 18 X3 X4 CO y4 y2 10 12 - 12 - 10 10 8 8 4 4 6 8 12 14 16 18 4 6 8 10 12 14 16 18 X1 X2 12 12 10 10 4 4 4 6 8 10 12 14 16 18 4 6 8 10 12 14 16 18 X3 X4 CO y4 y2 10 12 - 12 - 10 10 8 8 4 4 6 8 12 14 16 18 4 6 8 10 12 14 16 18 X1 X2 12 12 10 10 4 4 4 6 8 10 12 14 16 18 4 6 8 10 12 14 16 18 X3 X4 CO y4 y2 10 12 - 12 - 10 10 8 8 4 4 6 8 12 14 16 18 4 6 8 10 12 14 16 18 X1 X2 12 12 10 10 4 4 4 6 8 10 12 14 16 18 4 6 8 10 12 14 16 18 X3 X4 CO y4 y2 10 12 - 12 - 10 10 8 8 4 4 6 8 12 14 16 18 4 6 8 10 12 14 16 18 X1 X2 12 12 10 10 4 4 4 6 8 10 12 14 16 18 4 6 8 10 12 14 16 18 X3 X4 CO y4 y2 10 12 - 12 - 10 10 8 8 4 4 6 8 12 14 16 18 4 6 8 10 12 14 16 18 X1 X2 12 12 10 10 4 4 4 6 8 10 12 14 16 18 4 6 8 10 12 14 16 18 X3 X4 CO y4 y2 10