kurtosis

kur·to·sis

 (kər-tō′sĭs)

n. pl. kur·to·ses (-sēz′)

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

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[Greek kurtōsis, bulging, curvature, from kurtoun, to make bulge, from kurtos, convex; see sker- in Indo-European roots.]

kurtosis

(kəˈtəʊsɪs)

n

(Statistics) statistics a measure of the concentration of a distribution around its mean, esp the statistic B2 = m4/m2² where m2 and m4 are respectively the second and fourth moment of the distribution around the mean. In a normal distribution B2 = 3. See also platykurtic, mesokurtic, leptokurtic Compare skewness

[from Greek: curvature, from kurtos arched]

kur•to•sis

(kɜrˈtoʊ sɪs)

n.

a measure of a curve describing the statistical frequency distribution in the region about its mode.

[1900–05; < Greek kýrtōsis convexity]

Translations

koeficient špičatostišpičatost

huipukkuus

kurtosiscoefficient d'aplatissement