Summary result for quadratic regression models on university buses model summary.

Table 22: Summary result for quadratic regression models on university buses model summary.

Model Summary
R	R Square	Adjusted R Square	Std. Error of the Estimate
0.351	0.123	0.031	23.819
The independent variable is Serial No
ANOVA
	Sum of Squares	df	Mean Square	F	Sig.
Regression	1514.008	2	757.004	1.334	0.287
Residual	10779.992	19	567.368
Total	12294.000	21
The independent variable is Serial No
Coefficients
	Unstandardized Coefficients		Standardized Coefficients	t	Sig.
	B	Std. Error	Beta	t	Sig.
Serial No	-3.862	3.352	-1.037	-1.152	0.263
Serial No ** 2	0.119	0.142	0.758	0.842	0.410
(Constant)	33.851	16.733		2.023	0.057