Table 2.

ANOVA analysis of Plackett–Burman design.

Source	DF	Adj SS	Adj MS	F-Value	P-Value
Model	14	0.487366	0.034812	3.52	0.040*
Linear	13	0.485768	0.037367	3.78	0.033**
A	1	0.000832	0.000832	0.08	0.779
B	1	0.092616	0.092616	9.37	0.016*
C	1	0.005746	0.005746	0.58	0.468
D	1	0.063506	0.063506	6.42	0.035*
E	1	0.013468	0.013468	1.36	0.277
F	1	0.275890	0.275890	27.91	0.001*
G	1	0.003511	0.003511	0.36	0.568
H	1	0.008862	0.008862	0.90	0.371
I	1	0.004234	0.004234	0.43	0.531
J	1	0.000732	0.000732	0.07	0.792
K	1	0.000858	0.000858	0.09	0.776
L	1	0.015401	0.015401	1.56	0.247
M	1	0.000110	0.000110	0.01	0.918
Curvature	1	0.001598	0.001598	0.16	0.698
Error	8	0.079090	0.009886
Lack-of-Fit	6	0.016352	0.002725	0.09	0.991**
Pure Error	2	0.062738	0.031369
Total	22	0.566456

^*Significant values with P-Value < 0.05.

^** Lack of fit is insignificant (P- value > 0.05)