1 kurtosis | Definition of kurtosis

kurtosis

noun
kur·​to·​sis | \ (ˌ)kər-ˈtō-səs How to pronounce kurtosis (audio) \

Definition of kurtosis

: 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

First Known Use of kurtosis

1905, in the meaning defined above

History and Etymology for kurtosis

Greek kyrtōsis convexity, from kyrtos convex — more at curve

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More from Merriam-Webster on kurtosis

Britannica.com: Encyclopedia article about kurtosis