Category:Definitions/Kurtosis
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This category contains definitions related to Kurtosis.
Related results can be found in Category:Kurtosis.
Definition 1
The kurtosis of $X$ is the fourth standardized moment of $X$:
- $\alpha_4 = \expect {\paren {\dfrac {X - \mu} \sigma}^4}$
where $\expect {\, \cdot \,}$ denotes expectation.
Definition 2
The kurtosis of $X$ is defined as:
- $\alpha_4 = \dfrac {\mu_4} {\paren {\mu_2}^2}$
where $\mu_i$ denotes the $i$th central moment of $X$.
Pages in category "Definitions/Kurtosis"
The following 10 pages are in this category, out of 10 total.