[Numpy-discussion] non-standard standard deviation
Mon Nov 30 07:19:59 CST 2009
Colin J. Williams skrev:
> Where the distribution of a variate is not known a priori, then I
> believe that it can be shown
> that the n-1 divisor provides the best estimate of the variance.
Have you ever been shooting with a rifle?
What would you rather do:
- Hit 9 or 10, with a bias to the right.
- Hit 7 or better, with no bias.
Do you think it can be shown that the latter option is the better?
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