jroese@lssu.edu Compare the mean or median of  a sample with a critical value or withe the mean or median of one or more additional samples. Compare the dispersion of observations between two or more samples. Assess the distribution of sample observations in relation to an empirical or theoretical distribution.  Measure the relationship between two or more variables within or between samples. Assess the likelihood that a sample was collected via a random process. What is the focus of your analysis? Focus of Data Analysis?