Optimization of Crude Oil and PAHs Degradation by Stenotrophomonas rhizophila KX082814 Strain through Response Surface Methodology Using Box-Behnken Design

Table 4

Diagnostics case statistics, experimental design, and results of Box-Behnken Design for crude oil and PAHs degradation.

Run order	Actual value	Predicted value	Residual	Leverage	Internally studentized residual	Externally studentized residual	Cook’s distance	Influence on fitted value DFFITS	Standard order
15	61.52	63.19	−1.67	0.583	−0.694	−0.681	0.045	−0.805	1
27	58.21	58.69	−0.48	0.583	−0.201	−0.194	0.004	−0.229	2
25	60.25	61.34	−1.09	0.583	−0.455	−0.442	0.019	−0.523	3
21	55.26	55.17	0.092	0.583	0.038	0.037	0.000	0.044	4
18	60.21	59.94	0.27	0.583	0.115	0.111	0.001	0.131	5
6	61.53	60.66	0.87	0.583	0.363	0.352	0.012	0.416	6
20	63.25	65.70	−2.45	0.583	−1.019	−1.021	0.097	−1.208	7
1	53.00	54.85	−1.85	0.583	−0.770	−0.759	0.055	−0.898	8
22	59.25	57.17	2.08	0.583	0.866	0.858	0.070	1.015	9
19	58.50	59.38	−0.88	0.583	−0.368	−0.357	0.013	−0.422	10
7	67.84	64.69	3.15	0.583	1.312	1.350	0.161	1.597	11
3	52.00	51.81	0.19	0.583	0.078	0.075	0.001	0.089	12
17	68.54	65.01	3.53	0.583	1.471	1.542	0.202	1.824	13
9	65.23	63.28	1.95	0.583	0.812	0.801	0.062	0.948	14
24	61.22	60.90	0.32	0.583	0.132	0.127	0.002	0.150	15
2	56.00	57.27	−1.27	0.583	−0.527	−0.513	0.026	−0.607	16
28	59.52	62.06	−2.54	0.583	−1.060	−1.065	0.105	−1.260	17
4	51.89	52.65	−0.76	0.583	−0.319	−0.308	0.009	−0.365	18
14	53.00	52.93	0.074	0.583	0.031	0.030	0.000	0.035	19
8	53.52	51.67	1.85	0.583	0.772	0.760	0.056	0.899	20
13	62.59	64.26	−1.67	0.583	−0.698	−0.685	0.045	−0.810	21
12	65.20	65.87	−0.67	0.583	−0.278	−0.268	0.007	−0.317	22
5	68.50	68.52	−0.025	0.583	−0.010	−0.010	0.000	−0.012	23
26	62.54	61.56	0.98	0.583	0.410	0.398	0.016	0.470	24
11	69.05	64.76	4.29	0.200	1.290	1.324	0.028	0.662	25
29	55.68	64.76	−9.08	0.200	−2.732	−3.852	0.124	−1.926	26
23	64.58	64.76	−0.18	0.200	−0.055	−0.053	0.000	−0.026	27
16	64.25	64.76	−0.51	0.200	−0.154	−0.149	0.000	−0.074	28
10	70.25	64.76	5.49	0.200	1.651	1.773	0.045	0.886	29