Skip to main content

Table 5 Result of computed standard errors

From: Factorial design study of total petroleum contaminated soil treatment using land farming technique

Powered at 5% level for effect of

Term

Std erra

VIF

Ri-squared

0.5 Std dev.

1 Std dev.

2 Std dev.

A

0.25

1.00

0.000

14.6

43.91

94.4

B

0.25

1.00

0.000

14.6

43.91

94.4

C

0.25

1.00

0.000

14.6

43.91

94.4

D

0.25

1.00

0.000

14.6

43.91

94.4

AB

0.25

1.00

0.000

14.6

43.91

94.4

AC

0.25

1.00

0.000

14.6

43.91

94.4

AD

0.25

1.00

0.000

14.6

43.91

94.4

BC

0.25

1.00

0.000

14.6

43.91

94.4

BD

0.25

1.00

0.000

14.6

43.91

94.4

CD

0.25

1.00

0.000

14.6

43.91

94.4

  1. aBasis standard deviation = 1.0, A is the pH, B is the Moisture content, C is the Mass of substrate, D is the Turning rate, VIF is the Variance Inflation Factor