This course is an introduction to the basic principles of quantitative data analysis. Students will apply these principles to data analysis in criminological and criminal justice study. The focus of this course is to be placed on guiding students in interpreting criminological and criminal justice statistics and research, in which case an emphasis will be placed on the application of summary statistics, one-/two/multi-sample tests, linear models, association tests, randomness/normality tests, and probability distributions to criminal justice models of inquiry.