Table 2.

Quality result of the k-means clustering.

Variables		Mean Square	gl	F	Sig.
Speed (km/h)	First Division	634,321.87	4	567,982.49	<0.001
	Second Division	788,099.98	4	848,123.12	<0.001
	Combinate	2,100,865.21	4	2,241,568.09	<0.001
Accelerations (m/s2)	First Division	2127.11	4	15,297.90	<0.001
	Second Division	1178.55	4	13,565.70	<0.001
	Combinate	3339.22	4	27,971.25	<0.001
Decelerations (m/s2)	First Division	1885.18	4	12,038.13	<0.001
	Second Division	1147.24	4	10,000.80	<0.001
	Combinate	3161.03	4	35,059.21	<0.001
Impacts (g force)	First Division	14,097.12	4	164,510.54	<0.001
	Second Division	10,801.41	4	135,620.06	<0.001
	Combinate	22,701.24	4	92,375.76	<0.001