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The Tableau Workshop
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Distribution charts such as histograms and box plots are used to show the distribution of continuous and numerical quantitative data. However, bar charts, as discussed in the previous chapter, are used when plotting discrete and categorical data. In these sections, you will focus on discrete and categorical chart types.
A histogram represents frequency distribution. It shows the distribution of values and can help identify any outliers. Histograms take your continuous measures and splits the range of measurements. They are placed into buckets known as bins. Each bin is essentially a bar in a histogram representing the count of that range of values falling within that bin.
If you were to create a histogram of the salary of all the employees in a company, where the range of each bin is $10,000, your histogram would represent how many employees are earning $0-10,000, $10,001-20,000, $20,001-30,000, and so...