Analysis of the Impact of Traffic Violation Monitoring on the Vehicle Speeds of Urban Main Road: Taking China as an Example

Table 2

Analysis of variance.

Source of variance	Square of deviance	Degree	Variance	F	Fα	Significance
Between groups	107.95	2	202.98	F0 = 4.55	F0.05 (2, 1542) = 3.00	Significant
Within group	67.91	1542	70.92	—	F0.01 (2, 1542) = 4.61	—
Sum	175.86	1544	—	—	—	—