Predictor Coefficient P
Constant 3.60566 0.000
X1 0.32167 0.000
X2 -0.8572 0.000
X3 -0.126112 0.000
X12 0.05500 0.106
X22 -0.13833 0.000
X32 0.04833 0.152
X1X2 0.04500 0.065
X1X3 -0.01167 0.616
X2X3 -0.00083 0.971
Table 4: Regression coefficient of full second order model for rehydration ratio for different samples.