From: Application of Taguchi design in the removal of heavy metals from Simulated metal solutions using groundnut shell and tea bag as a natural absorbent
Source
Sum of squares
Df
Mean square
F value
P value Prob > F
Model
7.73
2
3.86
26.07
0.1372
B-time
7.00
1
47.20
0.0920
Residual
0.73
4.93
0.2694
Cod total
0.15