Effects of Front Total Toe-In Angle on Tire Wear and Emissions for a Light-Duty Vehicle
Table 4
(a) ANOVA for CO2 emissions in terms of wheel front total toe-in angle. (b) Regression analysis for the effect of wheel front total toe-in angle on CO2 emissions.
df
SS
MS
F value
Significance F
(a)
Regression
1
62831004.37
62831004.37
79.57
0.0030
Residual
3
2368995.63
789665.21
Total
4
65200000
Model no.
Form of equation
Equation constants
Multiple R
R square
Adjusted R square
Stand. error
value
(b)
1
2390.83
31157.21
0.986
0.964
0.951
888.63
0.003
2
27.44
−5875.16
0.999
0.999
0.999
96.84
3.805E − 06
3
324713.70
25631.41
0.930
0.865
0.820
1714.32
0.022
4
34.72
25617.10
0.930
0.865
0.820
1713.41
0.022
5
5.78
25617.10
0.930
0.865
0.820
1713.41
0.022
6
−97.58; 28.52
−7329.44
0.999
0.999
0.999
111.02
0.005
7
3345.21; −140933.28
33675.48
0.986
0.973
0.946
937.98
0.493
8
3341.08; −15.01
33670.52
0.986
0.973
0.946
939.31
0.495
9
3341.08; −2.50
33670.51
0.986
0.973
0.946
939.31
0.495
Note. = means CO2 emissions; i = model number and j = effect of wheel front total toe-in angle on CO2 emissions.