A study of distribution-free statistical methods. Estimation and hypothesis testing procedures that make relatively mild assumptions about the form of population distribution. Analysis of qualitative (nominal level) and rank (ordinal level) data. Inference for proportions, one- and two-sample location, dispersion, trend, one- and two-way layouts, rank correlation, and regression. Students will use statistical analysis technology. Prerequisite: MAT-175, MAT-248, or PSY-200.