The results of an experimental drug trial to treat chronic stultitia are listed below. Women without marked Men with Men without Women with marked marked marked improvement improvement improvement improvement Treatment 258 360 962 183 1 Treatment 898 879 355 904 000 109

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.