http://coremarkanalytics.com/blog/2007/06/17/comparing-population-proportions-%e2%80%93-ab-testing/two-population-proportions-test/ Web Analytics Blog - Paving the way to understanding web data as it relates to statistics and other methodologies. Sun, 05 Feb 2012 01:59:44 +0000 http://wordpress.org/?v=2.1.3