Model Summary

R

R Square

Adjusted R Square

Std. Error of the Estimate

0.572

0.327

0.214

48.106

The independent variable is Serial No

ANOVA

Sum of Squares

df

Mean Square

F

Sig.

Regression

20204.549

3

6734.850

2.910

0.063

Residual

41655.314

18

2314.184

Total

61859.864

21

The independent variable is Serial No

Coefficients

Unstandardized Coefficients

Standardized Coefficients

t

Sig.

B

Std. Error

Beta

Serial No

-10.059

18.096

-1.204

-0.556

0.585

Serial No ** 2

-0.210

1.807

-0.596

-0.116

0.909

Serial No ** 3

0.029

0.052

1.795

0.570

0.576

(Constant)

100.409

49.147

2.043

0.056