Kurtosis In Statistics. It is used to describe the extreme values in one versus the other tail. κυρτός kyrtos or kurtos meaning curved arching is a measure of the tailedness of the probability distribution of a real valued random variable.
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Kurtosis ranges from 1 to infinity. Excess kurtosis for normal distribution 3 3 0. As the kurtosis measure for a normal distribution is 3 we can calculate excess kurtosis by keeping reference zero for normal distribution.
Now excess kurtosis will vary from 2 to infinity.
It is used to describe the extreme values in one versus the other tail. It measures the amount of probability in the tails. Kurtosis measures the heaviness of the tails of a distribution in compared to a normal distribution. As the kurtosis measure for a normal distribution is 3 we can calculate excess kurtosis by keeping reference zero for normal distribution.
