kurtosis

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Related to Mesokurtic: kurtosis, platykurtic

kurtosis

 [ker-to´sis]
the degree of peakedness or flatness of a probability distribution, relative to the normal distribution with the same variance. See illustration.
Kurtosis. From Dorland's, 2000.

kur·to·sis

(kŭr-tō'sis),
The extent to which a unimodal distribution is peaked.
[G., an arching]

kurtosis

[kerto′sis]
the degree of peakedness or flatness of a probability distribution relative to the normal distribution with the same variance.

kurtosis

the quality of peakedness in a unimodal distribution. Abnormalities are leptokurtosis where values are clustered about the mean and the tails of the curve, and platykurtosis where the clustering produces a plateau-shaped curve.
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References in periodicals archive ?
Positive excess kurtosis means that distribution has fatter tails than a normal distribution and indicates a leptokurtic distribution, whereas the distribution is, respectively, platykurtic for negative excess kurtosis and mesokurtic when kurtosis is equal to 3.
While the distribution of trading volume is mesokurtic, it is leptokurtic in case of all other variables.
A distribution that is not overly flat or peaked is said to be mesokurtic.