## kurtosis

kur·to·sis the degree of peakedness of the graph of a statistical distribution, indicative of the concentration around the mean

Origin of kurtosis

; from Classical Greek*kyrt?sis,*a bulging, convexity ; from

*kyrtos,*curved: for Indo-European base see curve

## kurtosis

noun

*pl.*

**kur·to·ses**

A quantity indicating how sharply a probability distribution function increases and decreases around the distribution's mean.

Origin of kurtosis

Greek*kurt&omacron;sis*,

*bulging, curvature*, from

*kurtoun*,

*to make bulge*, from

*kurtos*,

*convex*; see

*sker-*

^{2}in Indo-European roots.

## kurtosis

Noun

(*plural* kurtoses)

Origin

From Ancient Greek *κύρτωσις* (kurtōsis, “bulging, convexity”), from *κυρτός* (kurtos, “bulging”).