x1 x2 x3 x4 x5 x6 y 71 16.8 21 2 1 0.98 56.75 15 15.6 21.8 1 2 1.3 57.65 29 14.4 25 2 1 1.14 53.97 85 14.4 21.8 2 3 0.66 58.77 29 12 21 3 2 0.82 56.34 57 12 23.4 1 3 0.98 56.85 85 13.2 24.2 3 2 1.3 56.68 71 18 25 1 2 0.82 58.45 43 18 22.6 3 3 1.14 55.5 15 16.8 24.2 2 3 0.5 52.77 43 13.2 22.6 1 1 0.5 57.36 57 15.6 23.4 3 1 0.66 59.64