This is the Statistical T-Test module to compare 2 independentsamples.
It takes 2 array of point measures, compute the confidence intervals
using the PointEstimation module (which is also included in this package)
and use the T-statistic to test the null hypothesis. If the null hypothesis
is rejected, the difference will be given as the lower_clm and upper_clm of
the TTest object.

WWW:	http://search.cpan.org/dist/Statistics-TTest/