About bean machine

The Galton board, also known as the Galton box or quincunx or bean machine, is a device invented by Francis Galton to demonstrate the central limit theorem, in particular that with sufficient sample size the binomial distribution approximates a normal distribution.

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Facts from Wikidata (CC0). Image by Exhibit made by Estes Objethos Atelier, photo by Rodrigo Tetsuo Argenton via Wikimedia Commons (CC BY-SA 4.0).

bean machine

device invented to demonstrate the central limit theorem

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About bean machine

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Facts from Wikidata (CC0). Image by Exhibit made by Estes Objethos Atelier, photo by Rodrigo Tetsuo Argenton via Wikimedia Commons (CC BY-SA 4.0).