Fabrication and Response Surface Methodology for the Adsorption of Nickel Ferrite-Graphene Oxide Nanocomposite for the Removal of Methylene Blue from Water

Table 8

Results of the suitability of the model and experimental data.

Parameters	Values	Parameters	Values
Standard deviation	6.78	^2	0.9860
Mean value	267.23	^2-correction	0.9733
Coefficient of variation CV%	2.54	^2-prediction	0.9109