"y","X1","X2" "A",6,2.5 "A",5.1,1.9 "A",5.9,2.1 "A",5.6,1.8 "A",5.8,2.2 "A",6.6,2.1 "A",4.5,1.7 "A",6.3,1.8 "A",5.8,1.8 "A",6.1,2.5 "A",5.1,2 "A",5.3,1.9 "A",5.5,2.1 "A",5,2 "A",5.1,2.4 "A",5.3,2.3 "A",5.5,1.8 "A",6.7,2.2 "A",6.9,2.3 "A",5,1.5 "A",5.7,2.3 "A",4.9,2 "A",6.7,2 "A",4.9,1.8 "A",5.7,2.1 "A",6,1.8 "A",4.8,1.8 "A",5.6,2.1 "A",5.8,1.6 "A",6.1,1.9 "A",6.4,2 "A",5.6,2.2 "A",5.6,1.4 "A",6.1,2.3 "A",5.6,2.4 "A",4.8,1.9 "A",5.4,2.1 "A",5.1,2.3 "A",5.9,2.3 "A",5.7,2.5 "A",5.2,2.3 "A",5,1.9 "A",5.2,2 "A",5.4,2.3 "A",5.1,1.8 "B",4.7,1.4 "B",4.5,1.5 "B",4.9,1.5 "B",4,1.3 "B",4.6,1.5 "B",4.5,1.3 "B",4.7,1.6 "B",3.3,1 "B",4.6,1.3 "B",3.9,1.4 "B",3.5,1 "B",4.2,1.5 "B",4,1 "B",3.6,1.3 "B",4.4,1.4 "B",4.1,1 "B",3.9,1.1 "B",4.8,1.7 "B",4.7,1.2 "B",4.3,1.3 "B",4.8,1.4 "B",5,1.7 "B",3.8,1.1 "B",3.7,1 "B",3.9,1.2 "B",5.1,1.6 "B",4.5,1.6 "B",4.7,1.5 "B",4.4,1.3 "B",4.1,1.3 "B",4.4,1.2 "B",4.6,1.4 "B",4,1.2 "B",4.2,1.3 "B",4.2,1.2 "B",3,1.1