# Category Tables

## Contingency Tables

A contingency table shows the frequencies of two categorical variables as they interact with each other. It is also known as a two-way table, cross tabulation, or cross tab. The frequencies are represented numerically. The totals of each column and each row can be summed in the margins. Some uses for this table are: To examine the relationship […]

## Contingency Tables

A contingency table is a statistical table that displays the frequencies of data elements according to defined categorical variables. The table consists of columns and rows which each represent a separate categorical variable and is used to display frequency relationships between two separate categorical variables. Often in the margins there are also totals of each row or column that […]

## Frequency Tables

A frequency table lists each group of data and the number of occurrences for each category of data. The groups are usually categories (such as car color), intervals (as seen on the right), or values (like number of cars) that will be recorded in the first column. If the classes are numerical, then they need to be […]