Abstract
The quincunx was invented by Sir Francis Galton in 1873 to demonstrate binomial distributions. During the last 125 years it has been used to illustrate the laws of the binomial and the normal distribution. In the first part of this paper we describe the historical background of Galtons invention and take a look at the discoveries he got from it. The second part of this paper discusses the mathematical background of the quincunx. We discuss the various limit theorems which explain the phenomena observable by this apparatus.1
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Kunert, J., Montag, A. & Pöhlmann, S. The quincunx: history and mathematics. Statistical Papers 42, 143–169 (2001). https://doi.org/10.1007/s003620100048
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DOI: https://doi.org/10.1007/s003620100048