The general term for a graphical display of categorical data made up of vertical or horizontal bars is called a(n)

Bar chart.

Explanation:

It is said that a single picture, conveys a thousand information. Pictures and diagrams are graphical expressions that holds information that can be easily interpreted by the human brain.

In statistics, diagrams and pictures are used to express a statistical values. Examples of diagrams used in statistics are bar chart, pie chart, histogram, sparklines etc.

Bar charts are vertical or horizontal bars that displays catagorical data values between components.

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