descriptive statistics and inferential statistics. Descriptive statistics describe study variables and reveal characteristic of the sample. Inferential statistics also use the sample data set but use it to draw conclusions and make inferences about the greater population. Inferential statistics contain two divisions: parametric and nonparametric tests. Gray, Grove. & Sutherland 2017. p. 527). Parametric Statistics Definition Assumptions (3) Example Statistic Non-parametric Statistics Definition Example Statistic Data Analysis for Demographic Variables Define demographics Descriptive Statistics- the variables that describe the sample. (name the variables from your study) Measure of central tendency (for demographic variables) Define measures of central tendency. Data analysis for study variables Show your Study Hypothesis Statistical Test for study variables