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Journal of Analytical Science and Technology

Table 7 Three-way analysis of variance to test the between-subjects effects on PXD residue in soil

From: Evaluation and statistical analysis of the modified QuEChERS method for the extraction of pinoxaden from environmental and agricultural samples

Source

DF

Seq SS

Adj SS

Adj MS

F

P value

Cardinal axis (F1)

4

10.556

10.556

2.6389

2.168

0.103307

Time (F2)

3

7.908

7.908

2.6361

2.165

0.118356

Depth (F3)

2

62.133

62.133

31.066

25.523

0.000001

F1 × F2

12

25.579

25.579

2.1316

1.751

0.117300

F1 × F3

8

12.354

12.354

1.5442

1.269

0.305079

F2 × F3

6

115.171

115.17

19.195

15.770

0.000000

Error

24

29.213

29.213

1.2172

  

Total

59

262.913

    
  1. R 2 = 0.889 (adjusted R 2 = 0.727)
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