Kurtosis Definition In Statistics. Negative excess equals lighter tails than a normal distribution. It is sometimes referred to as the volatility of volatility.
The degree of tailedness of a distribution is measured by kurtosis. It tells us the extent to which the distribution is more or less outlier prone heavier or light tailed than the normal distribution. A leptokurtic distribution is one that has kurtosis greater than a mesokurtic distribution.
It tells us the extent to which the distribution is more or less outlier prone heavier or light tailed than the normal distribution.
A uniform distribution would be the extreme case. κυρτός kyrtos or kurtos meaning curved arching is a measure of the tailedness of the probability distribution of a real valued random variable like skewness kurtosis describes the shape of a probability distribution and there are different ways of quantifying it for a theoretical distribution and corresponding ways of. Three different types of curves courtesy of investopedia are shown as follows. A uniform distribution would be the extreme case.
