Level P1 P2 P3 P4 P5 P6 1 27.38 27.69 26.47 26.13 28.35 27.82 2 26.79 27.1 29.31 27.57 26.1 27.33 3 27.58 26.96 25.97 28.05 27.29 26.59 ΔS/N 0.79 0.74 3.34 1.92 2.25 1.23 Rank 5 6 1 3 2 4

Table 5: Ranking of parameters based on the average S/N values.