**Distribution of The Mean**

The distribution of the sample mean for the von Mises distribution is given by:

where *N* is the number of measurements and consists of intervals of in the variables, subject to the constraint that and are constant, where is the mean resultant:

and is the mean angle:

Note that product term in parentheses is just the distribution of the mean for a circular uniform distribution.

Read more about this topic: Von Mises Distribution

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