| + | |x= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,|y1= 3.32, 4.12, 4.94, 5.27, 5.38, 4.73, 4.3972, 4.33, 4.71, 3.7, 3.55, 3.68, 3.35, 2.9899, 2.36, 2.36, 2.87, 3.25, 2.97, 2.6, 2.46, 2.3216, 2.85, 3.0396, 2.75, 2.5999, 2.69,|y2= 2.52, 3.65, 3.59, 3.91, 4.33, 4.12, 3.57, 4, 3.81, 3.16, 3.2, 3.2, 2.82, 2.44, 1.95, 1.85, 2.01, 2.41, 2.53, 2.33, 2.27, 2.06, 2.1637, 2.5, 2.42, 2.28, 2.3, |