kurtosis

[ kur-toh-sis ]
/ kɜrˈtoʊ sɪs /

noun Statistics.

the state or quality of flatness or peakedness of the curve describing a frequency distribution in the region about its mode.

Origin of kurtosis

1900–05; irregular transliteration of Greek kýrtōsis curvature. See cyrtosis

Words nearby kurtosis

British Dictionary definitions for kurtosis

kurtosis
/ (kəˈtəʊsɪs) /

noun

statistics a measure of the concentration of a distribution around its mean, esp the statistic B 2 = m 4 / m 2 ² where m 2 and m 4 are respectively the second and fourth moment of the distribution around the mean. In a normal distribution B 2 = 3 See also platykurtic, mesokurtic, leptokurtic Compare skewness

Word Origin for kurtosis

from Greek: curvature, from kurtos arched

Scientific definitions for kurtosis

kurtosis
[ kər-tōsĭs ]

The general form or a quantity indicative of the general form of a statistical frequency curve near the mean of the distribution.