stats_flow_chart_v2003.cdrFlow Chart for Selecting Commonly Used Statistical Tests Type of data? Type of question Chi-square tests one and two sample Relationships Differences Do you have a true independent variable? Continuous Discrete, categorical Yes No Tests for Equal Variances Means Parametric Nonparametric Two groups More than two groups Parametric Nonparametric Nonparametric Parametric If significant, do a post hoc
