Pineapple Bark Performance in Dyes Adsorption: Optimization by the Central Composite Design

Table 4

Results of ANOVA for the fitted model.

Source	Degree of freedom	Sum of squares	Mean square	value	value
Model	9	1103.07	122.56	230.5	<0.0001
Residual	7	3.72	0.53
Total	16	1106.7916