bar diagram definition
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A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. ... A bar graph shows comparisons among discrete categories.Bar graphs usually present categorical and numeric variables grouped in class intervals. They consist of an axis and a series or labeled horizontal or vertical bars.
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There are three types of graphs used to display time series data:
horizontal bar graphs,
vertical bar graphs and.
line graphs.
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