Independent variables Number degrees of freedom Value of F-Snedecor test Value of test probabilisty Free word 3 22381,02 0,0000 vehicle 6 1,12 0,3674 Route 6 1,29 0,3584 System (I, II, III cz1) 6 1,71 0,2954

Table 8: Variance analysis result - differences in air temperature measurements in the middle of the cooling chamber depending on the vehicle, covered distance and monitoring system (I, II, III cz1).