Parametric tests Paired student's t-test Comparing Means, SD in in paired data (1 group) Unpaired students' t-test Comparing Means, SD in in unpaired data (2 groups) ANOVA Comparing Means, SD in in unpaired data (>2 groups) Non parametric tests Chi-square test Comparing percentage, propoions & fractions in in two or more different group of individuals Wilcoxon Signed rank test Comparing percentage, propoions & fractions in matched paired data Wilcoxon Rank sum test Comparing percentage, propoions & fractions in two unpaired samples