In the field of criminal justice, you will have to solve problems and make decisions based on data. When you are faced with these issues and decisions, it helps to make a hypothesis for what you think is the root cause before you test it by looking at available data sets or collecting new data. Often, categorical, or nominal, data can be valuable for problem-solving and data-based decision-making. Remember chi-square tests determine the relationship between variables.

• what are 2 examples in the field of criminal justice where the analysis of the association between categorical (nominal) variables could be useful?
• In what ways can explain possible null and alternative hypotheses for your examples?
• what could the chi-square test method assist in your research?