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platykurtic

[plat-i-kur-tik]
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adjective Statistics.
  1. (of a frequency distribution) less concentrated about the mean than the corresponding normal distribution.
  2. (of a frequency distribution curve) having a wide, rather flat distribution about the mode.
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Origin of platykurtic

1900–05; platy- + kurt- (irregular < Greek kyrtós bulging, swelling) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for platykurtic

platykurtic

adjective
  1. statistics (of a distribution) having kurtosis B 2 less than 3, less heavily concentrated about the mean than a normal distributionCompare leptokurtic, mesokurtic
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Word Origin

C20: from platy- + Greek kurtos arched, bulging + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012