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. 2023 Jul 24;17(1):85. doi: 10.1186/s13065-023-00993-4

Table 5.

ANOVA for quadratic model and its removal efficiency

Source Sum of Squares df Mean Square F-value p-value
Model 10,689.37 9 1187.71 60.01  < 0.0001 Significant
A-pH 814.84 1 814.84 41.17  < 0.0001
B-adsorbent dos 5146.30 1 5146.30 260.03  < 0.0001
C-contact time 2199.30 1 2199.30 111.13  < 0.0001
AB 213.44 1 213.44 10.78 0.0082
AC 59.90 1 59.90 3.03 0.1125
BC 0.0177 1 0.0177 0.0009 0.9767
A2 128.09 1 128.09 6.47 0.0292
B2 288.18 1 288.18 14.56 0.0034
C2 6.19 1 6.19 0.3126 0.5884
Residual 197.91 10 19.79
Cr Total 10,887.28 19