William F. answered 10/10/13
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For a distribution skewed to the left, the mean tends to be less than the median. The opposite seems to be true when the distribution is skewed to the right.
Skewed to the right Skewed to the left
3|1 1 2 7 8 1|0
4|2 3 9 2|
5|1 1 3|2
6| 4|7 7 7
7|2 5|2 2 3 4
8| 6|0 5 6 7 8 8 9