![]() Software usually allows users to create either vertical or horizontal bar charts, as well as add custom features to a bar chart.īelow are a few examples of bar charts. ![]() Software is often used to create bar charts. Most software tools give options for the statistic to chart. ![]() While all of the examples show bar charts with counts, these graphs can also show other statistics, such as percentages. It includes a legend for the categories, which allows for longer labels that make the categories easier to read. Unlike a histogram, the Pareto chart summarizes counts for a nominal or categorical variable.įigure 2 gives an example of a Pareto chart that summarizes types of findings in an audit of business processes. Like a histogram, a Pareto chart does not have gaps between bars. These charts are often used in quality control to identify the areas with the most problems. For a Pareto chart, the bars are ordered from highest to lowest. What is the difference between bar charts and Pareto charts?Ī Pareto chart is a special example of a bar chart. See the "Bar charts and types of data" section below for more detail. Histograms are used with continuous data bar charts are used with categorical or nominal data. However, with many software tools, you can revise a bar chart so that it does not have gaps between the bars, which leads to the second key difference between histograms and bar charts. Histograms do not have gaps between bars, while bar charts do. ![]() Two key differences between histograms and bar charts are the gaps between bars and the types of data. What is the difference between bar charts and histograms? The bars show the levels of the variable the height of the bars show the counts of responses for that level. ![]()
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