次のような mtr レポート:
shell> mtr --report ec2-122-248-229-83.ap-southeast-1.compute.amazonaws.com
HOST: macserver.local Loss% Snt Last Avg Best Wrst StDev
1.|-- 192.168.12.1 0.0% 10 1.2 2.9 0.9 7.4 2.3
2.|-- 101.36.89.49 0.0% 10 6.8 5.7 2.1 16.6 4.3
3.|-- 192.168.17.37 0.0% 10 53.8 164.9 4.9 904.4 304.0
4.|-- 220.181.105.25 0.0% 10 5.1 11.1 5.1 26.9 7.1
5.|-- 220.181.0.5 0.0% 10 68.5 15.1 4.9 68.5 19.4
6.|-- 220.181.0.41 0.0% 10 12.6 10.2 5.0 27.1 6.5
7.|-- 202.97.53.82 0.0% 10 7.2 9.9 4.9 28.1 6.7
8.|-- 202.97.58.94 0.0% 10 16.5 10.0 5.2 16.5 3.9
9.|-- 202.97.61.98 0.0% 10 49.2 46.4 39.0 76.7 11.2
10.|-- 202.97.121.98 0.0% 10 41.1 43.5 41.1 46.3 1.6
11.|-- 63-218-213-206.static.pcc 0.0% 10 87.2 77.6 70.3 92.2 7.4
12.|-- 203.83.223.62 0.0% 10 71.9 74.8 69.9 87.2 5.1
13.|-- 203.83.223.77 0.0% 10 73.6 73.8 70.2 80.9 3.0
14.|-- ec2-175-41-128-238.ap-sou 0.0% 10 70.4 73.9 70.4 84.1 4.0
15.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
16.|-- ec2-122-248-229-83.ap-sou 10.0% 10 82.3 76.0 70.6 88.7 6.1
16 行の平均が 11 行よりも低いのはなぜですか?