#Chapter 6 data set E6_4_11:=[83.86,75.86,79.65,90.57,95.37,97.97,77.00,80.80, 83.53,83.17,80.20,81.42,89.14,88.68,85.15,90.11, 89.03,85.00,82.57,79.46,81.20,82.80,81.28,74.64, 69.85,75.60,76.60,78.30,88.51,86.32,84.03,95.27, 90.05,77.50,75.14,81.33,86.12,78.30,80.30,84.96, 79.30,88.96,82.76,83.13,79.60,86.20,85.16,87.86, 91.00,91.10,84.04,92.10,79.20,83.76,87.87,86.71, 81.89,85.72,75.84,74.27,93.08,81.75,75.66,75.35, 76.55,84.86,90.68,91.02,90.97,98.30,91.84,97.41, 73.60,90.65,80.20,74.75,90.35,79.66,86.88,83.00, 86.24,80.50,74.25,91.20,70.16,78.40,85.60,80.82, 75.95,80.75,81.86,82.18,82.98,84.00,76.85,85.00, 79.50,86.56,83.30,72.40,79.20,86.20,82.36,84.08, 86.11,88.25,88.93,93.12,78.30,77.24,82.52,81.37, 83.72,86.90,84.37,92.60,95.01,78.95,81.40,88.40, 76.10,85.33,82.95,80.20,88.21,83.49,81.00,82.72, 81.12,83.62,91.18,85.90,79.01,77.56,81.13,80.60, 81.65,70.70,69.36,79.09,71.35,67.20,67.43,69.95, 66.76,76.35,69.45,80.13,84.26,88.13]: