(0.87 + 1.03 + 1.72 + 1.98 + 2) / 5 = 1.32(1.08 + 1.99 + 1.76 + 1.99 + 1.32) / 5 = 1.628(12.4 + 14.8 + 18.9 + 20.1) / 4 = 16.55(0.89 + 1.23 + 1.64 + 1.79 + 2) / 5 = 1.51(42.8 + 54.3 + 59.6 + 60) / 4 = 54.425(11 + 17.2 + 20 + 24.6) / 4 = 18.7

Средние арифметические чисел равны: 1.32, 1.628, 16.55, 1.51, 54.425, 18.7.