Small samples have high variance, while sample mean approaches the mean of the true population as you increase the sample size. This is a fun website, but the

Small samples have high variance, while sample mean approaches the mean of the true population as you increase the sample size. This is a fun website, but the Olympics would need a lot more events for it to mean something. If each athlete were only allowed to compete in a single event, then it might be insightful for countries at least as successful at capturing medals as, say, Great Britain. I'll be Phelps' hometown has a crazy medal count per capita.