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Fisher Kurtosis


\begin{displaymath}
\gamma_2 \equiv b_2 \equiv {\mu_4\over {\mu_2}^2} - 3 = {\mu_4\over \sigma^4} - 3,
\end{displaymath}

where $\mu_i$ is the $i$th Moment about the Mean and $\sigma=\sqrt{\mu_2}$ is the Standard Deviation.

See also Fisher Skewness, Kurtosis, Pearson Kurtosis




© 1996-9 Eric W. Weisstein
1999-05-26