noun Statistics.

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

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 = 3See also platykurtic, mesokurtic, leptokurtic Compare skewness

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