Search Results for: Photographic flashlight apparatus
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peas. while galton had previously invented the quincunx prior to february , the version of the quincunx had a new feature that helped galton demonstrate that a normal mixture of normal distributions is also normal. [ ] galton demonstrated this using a new version of quincunx, adding chutes to the apparatus
color, followed by the keenness, color-sense, and depth perception of sight. next, they would examine the keenness, or relative acuteness, of hearing and highest audible note of their hearing followed by an examination of their sense of touch. however, because the surrounding area was noisy, the apparatus...
https://en.wikipedia.org/wiki/Francis_Galton