Table 1 Kruskal-Wallis Test of Vehicle Breakdown Duration,,,,
Variable,Chi-square,df,Significance level,
Report mechanism,16.7,1,0.44*10E–4,
Vehicle type,17.1,3,0.67*10E–3,
Location,8.5,2,0.014,
Time of day,12.8,5,0.025,