Table 4. The Coefficient of Determination (R
2
) between Young s Modulus and Ψ
c
Based on the Value of A and B
N
2
:DBP
1 : 9
2 : 8
3 : 7
4 : 6
5 : 5
6 : 4
7 : 3
8 : 2
9 : 1
A
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
B
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
R
2
0.907
0.912
0.908
0.893
0.865
0.823
0.767
0.698
0.619