Table 2.

Results of significance test on the nonlinear model coefficients, standard errors, T statistics, and P values for the lipase activity (coded form).

SI. no.	Standard
	Terms	Coefficient	Error coefficient	T	P
1	Constant	3.528	0.071	49.618	0.000
2	X 1	−0.0117	0.058	−0.199	0.846
3	X 2	0.118	0.058	2.021	0.068
4	X 3	−0.102	0.058	−1.746	0.109
5	X 4	0.514	0.058	8.778	0.000
6	X 5	0.012	0.058	0.209	0.838
7	X 1 2	−0.075	0.158	−0.478	0.642
8	X 2 2	1.574	0.158	9.944	0.000
9	X 3 2	−0.707	0.158	−4.425	0.001
10	X 4 2	0.484	0.158	3.059	0.011
11	X 5 2	−0.560	0.158	−3.541	0.005
12	X 1 X 2	−0.182	0.062	−2.929	0.014
13	X 1 X 3	−0.287	0.062	−4.520	0.001
14	X 1 X 4	0.049	0.062	0.674	0.514
15	X 1 X 5	0.041	0.062	0.674	0.514
16	X 2 X 3	0.323	0.062	5.204	0.000
17	X 2 X 4	0.083	0.062	1.339	0.208
18	X 2 X 5	0.103	0.062	1.661	0.125
19	X 3 X 4	−0.010	0.062	−0.171	0.867
20	X 3 X 5	−0.035	0.062	−0.574	0.578
21	X 4 X 5	−0.158	0.062	−2.547	0.027
	SS = 0.2484	R 2 = 96.6%		R 2 (adj) = 90.5%