kurtosis

noun

kur·​to·​sis (ˌ)kər-ˈtō-səs How to pronounce kurtosis (audio)
: the peakedness or flatness of the graph of a frequency distribution especially with respect to the concentration of values near the mean as compared with the normal distribution

Examples of kurtosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For a coin toss with probability of success p, the skewness and kurtosis both go to infinity when the probability of success is very low. Vineer Bhansali, Forbes, 23 Jan. 2025

Word History

Etymology

Greek kyrtōsis convexity, from kyrtos convex — more at curve

First Known Use

1905, in the meaning defined above

Time Traveler
The first known use of kurtosis was in 1905

Dictionary Entries Near kurtosis

Cite this Entry

“Kurtosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kurtosis. Accessed 27 Jan. 2025.

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