Quantization Masses of the boxes n:o weight (±0.01g) 1 12.84 2 26.19 3 21.64 4 12.93 5 23.85 6 17.42 7 15.18 8 17.33 9 17.37 10 21.76 11 12.90 12 15.03 13 19.52 14 19.68 15 10.73 16 23.98 17 10.74 18 26.19 19 14.98 20 23.91 Group n:o Boxes Average mass of boxes (g) 1 15, 17 10.74 2 1, 4, 11 12.89 3 7, 12, 19 15.06 4 6,8,9 17.37 5 13, 14 19.60 6 3 21.64 7 5, 20, 16 91.33 8 2, 18 26.19