Table 2. Model Fit Coefficients and the Statistical Significance of the Model Terms of Equation 9.

term	coefficient	std error	t value	prob > |t|
intercept	74.50	0.73	101.44	<0.0001
T	2.87	0.45	6.39	<00001
t	6.51	0.45	14.48	<0.0001
C	6.81	0.45	15.14	<0.0001
T × t	–10.34	0.64	–16.25	<0.0001
T × C	–5.59	0.64	–8.78	<0.0001
t × C	–5.53	0.64	–8.70	<0.0001
T2	–3.68	0.66	–5.57	<0.0001
t2	–9.15	0.66	–13.82	<0.0001
C2	–13.08	0.66	–19.77	<0.0001