Today Matthew focused on inference for the distribution of categorical data. In this course, he learned techniques for analyzing and drawing conclusions about categorical variables. The curriculum covered methods such as chi-square tests, which are used to assess the independence or homogeneity of categorical variables in different groups. Matthew gained skills in hypothesis testing and interpreting results to make inferences about population distributions based on observed categorical data. Overall, the class equipped him to draw meaningful conclusions about relationships and patterns within categorical variables.