Contingency Table

A contingency table is a table used in statistics to display the frequency distribution of two or more variables. It shows the number of observations that fall into each combination of categories for the variables being considered. Contingency tables are commonly used to analyze the relationship between two categorical variables and to identify patterns and trends in the data. They are also used to perform hypothesis testing and to calculate various statistical measures such as chi-square and Fisher's exact test. Contingency tables can be used in a wide range of applications, including market research, medical studies, and social sciences.
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