![Sampling variation in small random samples](https://blogs.sas.com/content/iml/files/2016/11/normalpanel1.png)
Somewhere in my past I encountered a panel of histograms for small random samples of normal data. I can't remember the source, but it might have been from John Tukey or William Cleveland. The point of the panel was to emphasize that (because of sampling variation) a small random sample