T=5;
n=[18,18,18,18,18];
x=[4.33,4.5,6.67,1.5,2.0,2.19,6.83,3.5,2.5,2.02,4.0,3.5,2.5,1.0,3.0,1.0,0.5,2.08,7.5,4.5,2.0,3.0,2.5,7.0,3.5,3.86,4.0,2.97,2.39,0.5,6.13,1.0,6.19,1.5,6.5,8.58,0.7,1.0,4.5,2.5,4.0,0.5,5.5,1.0,4.44,0.55,4.68,3.0,4.0,3.5,3.75,3.5,2.04,4.5,2.0,2.5,8.47,1.0,3.0,1.0,3.5,2.04,2.0,1.5,2.0,6.3,3.42,4.5,4.0,2.5,3.54,3.0,2.5,4.13,7.42,3.5,8.1,2.8,0.5,4.5,1.5,2.0,3.5,0.45,0.5,1.0,2.5,1.5,3.0,7.68];
y=[4.63,6.75,8.72,3.75,4.0,2.59,8.11,1.75,3.75,2.02,8.0,8.75,8.75,5.0,3.0,3.0,2.75,4.21,3.75,2.25,6.0,6.0,6.25,7.0,5.25,4.05,4.0,9.9,0.47,3.75,4.08,7.0,5.94,9.75,9.75,3.09,8.24,5.0,6.75,6.25,4.0,2.75,2.75,4.0,2.27,3.86,0.89,6.0,8.0,8.75,4.84,5.25,6.88,2.25,1.84,3.75,5.41,3.0,6.0,4.0,1.75,6.08,4.0,3.75,6.0,0.55,0.84,2.25,4.0,6.25,6.03,3.0,3.75,3.49,3.04,1.75,9.86,1.42,2.25,2.25,5.25,4.0,5.25,5.81,1.75,4.0,6.25,3.75,3.0,7.05];