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Great link! But also, the mean is itself an imperfect summary of some distributions. Any single-number summary will be misleading in some cases.



Anscombe's quartet is a great illustration of that.

https://en.wikipedia.org/wiki/Anscombe%27s_quartet


That's really cool! Btw, I'd love to drop that line into casual conversation some time. "Anscombe's quartet" has a nice flow to it.




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