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leptokurtic

[ lep-tuh-kur-tik ]
/ ˌlɛp təˈkɜr tɪk /
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adjective Statistics.

(of a frequency distribution) being more concentrated about the mean than the corresponding normal distribution.
(of a frequency distribution curve) having a high, narrow concentration about the mode.

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Compare platykurtic. See also kurtosis.

Origin of leptokurtic

1900–05; lepto- + irregular transliteration of Greek kyrt(ós) swelling + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for leptokurtic

leptokurtic
/ (ˌlɛptəʊˈkɜːtɪk) /

adjective

statistics (of a distribution) having kurtosis B 2 greater than 3, more heavily concentrated about the mean than a normal distributionCompare platykurtic, mesokurtic

Word Origin for leptokurtic

C20: from lepto- + 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
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