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Why is a bar graph important?

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Data summary graphs are generally nominal or contain data that can be reduced in some way; pie charts and bar charts are common and popular examples. Pie charts represent subcategories by breaking components into slices or disks, while bar charts present data in linear form. read more

Bar graphs are an extremely effective visual to use in presentations and reports. They are popular because they allow the reader to recognize patterns or trends far more easily than looking at a table of numerical data. Further, Bar graphs are an effective way to compare items between different groups. read more

A bar graph (also known as a bar chart or bar diagram) is a visual tool that uses bars to compare data among categories. A bar graph may run horizontally or vertically. The important thing to know is that the longer the bar, the greater its value. read more

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