Actual Values Coded values Design X1 X2 X3 X1 X2 X3 1 40 90 50 0 0 0 2 45 60 45 1 -1 -1 3 35 60 55 -1 -1 1 4 40 90 50 0 0 0 5 45 60 45 1 -1 -1 6 40 90 60 0 0 2 7 45 60 55 1 -1 1 8 35 120 45 -1 1 -1 9 50 90 50 2 0 0 10 45 120 45 1 1 -1 11 40 90 40 0 0 -2 12 30 90 50 -2 0 0 13 40 150 50 0 2 0 14 35 120 55 -1 1 1 15 40 90 60 0 0 2 16 35 60 45 -1 -1 -1 17 45 120 55 1 1 1 18 35 120 45 -1 1 -1 19 40 90 40 0 0 -2 20 45 120 45 1 1 -1 21 40 30 50 0 -2 0 22 35 60 45 -1 -1 -1 23 40 30 50 0 -2 0 24 35 60 55 -1 -1 1 25 35 120 55 -1 1 1 26 40 150 50 0 2 0 27 45 60 55 1 -1 1 28 45 120 55 1 1 1 29 50 90 50 2 0 0 30 30 90 50 -2 0 0

Table 2: Observed values of dependent variables for different runs of optimization experiments.