Statistical filth

Herewith

Galton Board on display at the Galton Laboratory, University College London. "Instrument to illustrate the principle of the Law of Error or Dispersion, by Francis Galton FRS." Courtesy Stephen M. Stigler.

Is it just me, or does that look curiously like something a boy would scribble on a wall?

Confirming, I suppose, that Galton was never much of a boy, or he would have recognised the shape.

If you're pure, I suppose, it looks like a woman in a necklace.