Confidence intervals, stats modules?

Travis Oliphant oliphant at
Tue Jun 18 14:00:55 EDT 2002

> Assuming your are talking about a normal variate, the module
> has a function
> for the sample std deviation but not, as far as I recall, for the
> Student's t distribution,
> which is needed to calculate confieence intervals where the popuation
> std deviation is
> unknown (which is most of the time).

The scipy.stats

module in scipy  (

has Student's t distribution and many many others.

It could be used to compute confidence intervals.

Happy computing,

-Travis O.

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