Installing D:\cpanrun\build\5-8-0\site\lib\Statistics\PointEstimation.pm Installing D:\cpanrun\build\5-8-0\site\lib\Statistics\TTest.pm Writing D:\cpanrun\build\5-8-0\site\lib\auto\Statistics\TTest\.packlist Appending installation info to D:\cpanrun\build\5-8-0\lib/perllocal.pod 58490692238 the estimate of the mean is -0.0231704711914063 +/- 0.0973368691766819 or (-0.120507340368088 to 0.0741663979852756 ) with 95 % of confidence t-statistic=T=-0.485491020972696 , Prob >|T|=0.63074 mean:-0.0231704711914063 variance:0.0728882134201065 t_prob:0.63074 upper_clm:0.0741663979852756 t_value:2.0395 standard_error:0.0477258490692238 significance:95 lower_clm:-0.120507340368088 valid:1 alpha:0.025 df:31 delta:0.0973368691766819 t_statistic:-0.485491020972696 500 trials 471 successes 29failure 94.2% success rate