Preparation, Photocatalytic Activity, and Recovery of Magnetic Photocatalyst for Decomposition of Benzoic Acid

Table 5

Average effect response for SN ratios.

	A	B	C
Level 1	−14.68	−14.85	−12.61
Level 2	−15.69	−17.08	−15.99
Level 3	−23.85	−22.30	−25.62
Effect	9.16	7.45	13.02
Rank	2	3	1