Table 3.

Box–Behnken design matrix with experimental values of cellulase and xylanase activity optimization.

Coded values					Response (Cellulase activity U/gds)		Response (Xylanase activity U/gds)
Run	X1	X2	X3	X4	Observed value	Predicted value	Observed value	Predicted value
1	-1	-1	0	0	14.67	14.48	35.07	37.86
2	-1	+1	0	0	14.16	13.07	39.19	42.35
3	+1	-1	0	0	8.88	9.34	44.43	45.55
4	+1	+1	0	0	11.70	11.26	41.78	43.27
5	0	0	-1	-1	6.98	5.67	13.55	10.72
6	0	0	-1	+1	6.22	6.22	31.83	32.46
7	0	0	+1	-1	9.89	9.26	22.08	25.73
8	0	0	+1	+1	16.48	17.16	45.70	52.81
9	-1	0	0	-1	6.46	7.99	15.37	16.02
10	-1	0	0	+1	13.11	13.98	45.49	44.17
11	+1	0	0	-1	7.04	7.04	24.58	24.05
12	+1	0	0	+1	10.17	8.74	47.23	44.73
13	0	-1	-1	0	7.37	7.78	31.76	31.45
14	0	-1	+1	0	16.83	16.71	51.09	48.33
15	0	+1	-1	0	9.48	9.70	30.84	31.75
16	0	+1	+1	0	15.60	15.29	51.79	50.25
17	-1	0	-1	0	10.51	10.03	33.70	33.07
18	-1	0	+1	0	19.51	18.88	51.98	47.33
19	+1	0	-1	0	6.98	8.14	31.72	33.94
20	+1	0	+1	0	12.81	13.82	56.86	55.06
21	0	-1	0	-1	6.34	6.38	18.37	18.70
22	0	-1	0	+1	11.78	11.17	42.03	40.87
23	0	+1	0	-1	6.07	7.20	18.83	17.56
24	0	+1	0	+1	10.37	10.86	46.97	44.22
25	0	0	0	0	11.39	11.10	44.89	41.12
26	0	0	0	0	11.03	11.10	40.01	41.12
27	0	0	0	0	10.88	11.10	38.47	41.12