Sample G1S G1B G2S G2B G3S G3B Mean(υmean) 0.60 0.69 0.55 0.61 0.44 0.54 Variance(υmean) 0.05 0.07 0.03 0.04 0.03 0.02 N 32 26 22 42 10 32 P(T<=t)one-tail 0.097   0.101   0.041   Sample G1S G1B G2S G2B G3S G3B Mean (%V) 51.5 75.3 70.9 79.8 72.2 84.2 Variance (%V) 218.8 36.6 103.5 54.7 30.2 18.0 N 32 26 22 42 10 32 P(T<=t) one-tail 1.33E-10   8.31E-05   3.45E-09

Table 1: Significance testing for the Poisson ratio and Percentage of Volume Compression at the 90% CI.