Computational Formulæ for the Mean and Variance

For some random variables, especially those following common named distributions, formulæ involving the parameters of the distribution can be derived to simplify computation of these values.

The mean of Student's T distribution is 0, and its variance is ν/(ν=2)

In[101]:=

ν/(ν - 2)

Out[101]=

10/9


Created by Mathematica  (July 20, 2006) Valid XHTML 1.1!