A tabular summary of a categorical data set, which shows the number of observations that fall into each of several collectively exhaustive and mutually exclusive classes, is called a bar chart.

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A tabular summary of a categorical data set, which shows the number of observations that fall into each of several collectively exhaustive and mutually exclusive classes, is called a frequency or contingency table. A bar chart is a graphical representation of the frequencies or percentages of each category in the data set.

A Tabular Summary of a Categorical Data Set, Which Shows