Table 2.

Experimental design with actual experimental and predicted value of responses of the central composite design

S. no	A	B	C	D	E	F	Actual pectinase U/ml	Predicted pectinase U/ml
1	0	0	0	0	0	0	22.29	27.70
2	−1	−1	−1	1	1	1	20.01	16.53
3	1	1	−1	−1	1	1	22.29	22.24
4	−1	1	1	−1	−1	1	17.14	22.69
5	1	−1	1	−1	1	−1	20.52	24.43
6	0	0	0	0	0	0	21.28	27.70
7	−1	−1	−1	−1	−1	−1	21.70	26.39
8	−1	1	1	1	1	−1	87.56	51.68
9	1	−1	1	1	−1	1	22.29	32.79
10	1	1	−1	1	−1	−1	21.95	24.87
11	1	−1	−1	−1	1	−1	14.10	15.75
12	0	0	0	0	0	0	27.02	22.54
13	−1	−1	1	1	1	1	33.69	28.67
14	1	1	1	1	−1	−1	20.35	23.30
15	1	−1	−1	1	−1	1	20.26	24.04
16	−1	−1	1	−1	−1	−1	13.59	11.05
17	1	1	1	−1	1	1	26.51	20.61
18	0	0	0	0	0	0	20.18	22.54
19	−1	1	−1	1	1	−1	24.40	29.22
20	−1	1	−1	−1	−1	1	25.33	27.71
21	1	1	−1	−1	−1	1	33.60	28.26
22	0	0	0	0	0	0	28.20	28.91
23	0	0	0	0	0	0	26.01	28.91
24	−1	1	1	1	−1	−1	55.98	43.99
25	1	−1	1	1	1	1	50.74	42.88
26	1	−1	1	−1	−1	−1	15.11	16.75
27	1	1	−1	1	1	−1	17.56	21.26
28	−1	−1	−1	−1	1	−1	17.48	22.78
29	−1	−1	−1	1	−1	1	24.15	22.56
30	−1	1	1	−1	1	1	20.26	32.79
31	0	0	0	0	0	0	18.15	22.43
32	−1	−1	1	−1	1	−1	19.59	19.82
33	−1	1	−1	−1	1	1	19.42	22.78
34	1	−1	−1	1	1	1	22.63	19.10
35	−1	1	−1	1	−1	−1	15.87	33.92
36	1	1	1	1	1	−1	14.78	32.07
37	−1	−1	1	1	−1	1	19.93	19.66
38	0	0	0	0	0	0	25.08	22.43
39	1	1	1	−1	−1	1	18.58	11.60
40	1	−1	−1	−1	−1	−1	50.24	20.45
41	0	0	0	0	0	0	23.81	24.28
42	1	−1	1	−1	1	1	27.19	28.85
43	−1	−1	−1	−1	−1	1	19.00	22.29
44	−1	1	1	−1	−1	−1	26.93	29.96
45	1	1	−1	1	−1	1	26.43	19.27
46	−1	1	1	1	1	1	41.63	37.56
47	1	1	−1	−1	1	−1	17.39	21.00
48	−1	−1	−1	1	1	−1	21.36	13.78
49	0	0	0	0	0	0	22.21	24.28
50	1	−1	1	1	−1	−1	16.89	21.53
51	1	−1	−1	1	−1	−1	21.78	16.68
52	1	−1	−1	−1	1	1	24.82	24.07
53	−1	1	−1	1	1	1	20.01	19.01
54	−1	1	−1	−1	−1	−1	48.63	38.88
55	1	1	1	1	−1	1	18.91	21.60
56	0	0	0	0	0	0	24.40	23.02
57	1	1	1	−1	1	−1	21.11	23.27
58	−1	−1	1	1	1	−1	12.33	29.82
59	−1	−1	1	−1	−1	1	19.25	10.86
60	0	0	0	0	0	0	19.00	23.02
61	−1	−1	−1	1	−1	−1	14.18	19.58
62	1	−1	1	−1	−1	1	14.02	20.95
63	0	0	0	0	0	0	30.65	25.26
64	1	1	−1	−1	−1	−1	22.21	26.80
65	−1	1	1	−1	1	−1	39.85	39.83
66	−1	−1	−1	−1	1	1	23.05	18.46
67	0	0	0	0	0	0	24.74	25.26
68	−1	1	1	1	−1	1	22.21	29.65
69	1	1	−1	1	1	1	24.23	15.44
70	1	−1	1	1	1	−1	37.49	31.40
71	−1	1	−1	−1	1	−1	29.47	36.15
72	−1	−1	1	−1	1	1	23.56	21.82
73	0	0	0	0	0	0	33.69	25.10
74	0	0	0	0	0	0	48.38	25.10
75	1	−1	−1	1	1	−1	10.39	13.94
76	1	−1	−1	−1	−1	1	12.50	30.96
77	1	1	1	1	1	1	21.36	32.57
78	−1	1	−1	1	−1	1	22.37	25.90
79	−1	−1	1	1	−1	−1	21.53	23.01
80	1	1	1	−1	−1	−1	27.78	16.46
81	−1.565	0	0	0	0	0	22.80	28.44
82	0	0	0	0	0	0	26.43	25.91
83	1.565	0	0	0	0	0	18.91	23.38
84	0	0	0	0	−1.565	0	27.27	24.32
85	0	0	0	0	1.565	0	23.47	27.50
86	0	−1.565	0	0	0	0	18.07	21.74
87	0	0	0	0	0	0	26.68	25.91
88	0	0	0	0	0	0	28.20	25.91
89	0	0	−1.565	0	0	0	26.34	23.13
90	0	0	0	1.565	0	0	34.36	27.88
91	0	0	0	0	0	−1.565	21.70	27.03
92	0	0	0	0	0	1.565	30.40	24.79
93	0	0	0	0	0	0	27.27	25.91
94	0	0	0	−1.565	0	0	25.58	23.94
95	0	0	1.565	0	0	0	28.12	28.69
96	0	1.565	0	0	0	0	28.96	30.09