Skip to main content

Table 14 ANOVA for response surface quadratic model for intercept

From: Brette Pearl Spar Mable (BPSM): a potential recoverable catalyst as a renewable source of biodiesel from Thevetia peruviana seed oil for the benefit of sustainable development in West Africa

Term

Coefficient

Standard Error Coefficient

95% CI Low

95% CI High

T- Value

P- Value

VIF

Constant

58.00

0.1180

57.712

58.288

492.15

0.000

-

X1

-8.375

0.0722

-8.5516

-8.1984

-116.05

0.000

1.00

X2

0.75

0.0722

0.5734

0.9266

10.39

0.000

1.00

X3

-4.875

0.0722

-5.0516

-4.6984

-67.55

0.000

1.00

X12

0.25

0.1060

-0.01

0.51

2.35

0.057

1.01

X22

11.00

0.1060

10.74

11.26

103.55

0.000

1.01

X32

11.25

0.1060

10.99

11.51

105.9

0.000

1.01

X1 X2

0.25

0.1020

0.00

0.50

2.45

0.050

1.00

X2 X3

-0.25

0.1020

-0.50

0.00

-2.45

0.050

1.00