johnmyleswhite/SimpleAintEasy — pull request #5 by rasmusab (2014-02-23 18:11:48+00:00)
Title: Example that shows how the sample mean can be arbitrarily shifted by perturbing a single observation.

Its a classic, but one that I believe is useful to point out. I wasn't sure of the naming scheme so I used the headline Problem 2 (as I added it as problem 2 in the mean category).