What you’ll learn to do: Analyze the relationship between two categorical variables using a two-way table. Since categorical data does not return a measurement, it is often convenient to summarize stu...What you’ll learn to do: Analyze the relationship between two categorical variables using a two-way table. Since categorical data does not return a measurement, it is often convenient to summarize study results with counts (for example, total number of females, or total number of males). In this section, we introduce two way tables and conditional percentages as a way to investigate possible relationships between two categorical variables.