Modeling and Optimization for Production of Rice Husk Activated Carbon and Adsorption of Phenol

Table 6

Actual-predicted values and residual.

Run	Response (%)			Response (mg/g)
	Actual	Predicted	Residual	Actual	Predicted	Residual
1	88.32	88.06	0.25	2.21	2.20	0.0082
2	94.70	94.19	0.51	1.18	1.18	0.001
3	95.72	95.8	0.083	2.39	2.36	0.028
4	93.86	93.74	0.12	0.94	0.93	0.0093
5	90.47	90.44	0.03	0.91	0.90	0.0016
6	82.57	82.78	0.21	0.83	0.84	0.014
7	90.47	90.44	0.03	0.91	0.90	0.0016
8	94.17	93.84	0.34	1.18	1.14	0.033
9	93.47	94.49	1.02	1.56	1.63	0.07
10	90.47	90.44	0.03	0.91	0.90	0.0016
11	75.79	74.86	0.93	0.25	0.19	0.065
12	93.68	94.41	0.72	0.70	0.70	0.00027
13	56.49	56.98	0.49	0.28	0.28	0.00021
14	78.25	78.56	0.31	0.39	0.42	0.31
15	90.47	90.44	0.03	0.91	0.90	0.0016
16	71.93	71.82	0.11	0.18	0.21	0.027
17	90.47	90.44	0.03	0.91	0.90	0.0016
18	90.47	90.44	0.03	0.91	0.90	0.0016
19	88.42	87.79	0.63	1.33	1.33	0.0051
20	85.79	86.02	0.23	0.21	0.22	0.0069