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. 2015 Feb 12;13:10. doi: 10.1186/s40201-015-0164-4

Table 3.

Analysis of variance for vehicular type and speed on traffic noise

Parameters Degree of freedom Sum of squares Mean square F p
Vehicle type 3 156.9 52.3 22.38 0.001
Vehicular speed 3 31.1 10.4 4.44 0.035
Error 9 21.0 2.3
Total 15 209.1

S = 1.5; R2 = 89.94%.