View 1 difference of means2 variances known3 null hypothesis4 test statistic5 confidence intervals6 sample size7 mm example8 paired ttest PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of 1 difference of means2 variances known3 null hypothesis4 test statistic5 confidence intervals6 sample size7 mm example8 paired ttest PowerPoint presentations. You can view or download 1 difference of means2 variances known3 null hypothesis4 test statistic5 confidence intervals6 sample size7 mm example8 paired ttest presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.