6 14.503 0.014 2 2 8 14.806 0.008 2 2 13 12.461 0.025 1 2 14 14.031 0.011 1 2 16 14.361 0.000 3 2 26 13.799 0.000 3 2 28 13.106 0.000 3 2 30 12.398 0.000 3 2