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/