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Bulletin of the National Research Centre

Table 4 Analysis of variance table [partial sum of squares—Type III]

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

6.12

2

3.06

156.12

0.0565

A-pH

3.69

1

3.69

188.08

0.0463

C-time

2.43

1

2.43

124.16

0.0570

Residual

0.020

1

0.020

  

Cor total

6.14

3

   
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