Histograms VS. Bar Charts
Charts and Graphs
Definitions of Histogram and Bar Chart
Bar charts and histograms can both be used to compare the sizes of different groups. A bar chart is made up of bars plotted on a graph.
The histogram is a chart representing a frequency distribution; heights of the bars represent observed frequencies. In other words, a histogram is a graphical display of data using bars of different heights. Usually, there is no space between adjacent bars.
We can see their common points from the definitions: The height of the column indicates the size of the group defined by the column label.
Difference between Histograms and Bar Charts
- The columns are positioned over a label that represents a categorical variable.
- The height of the column indicates the size of the group defined by the categories.
- The columns are positioned over a label that represents a quantitative variable.
- The column label can be a single value or a range of values.
Here is the main difference between them: with bar charts, each column represents a group defined by a categorical variable; and with histograms, each column represents a group defined by a quantitative variable.
One indication of this distinction: it is always appropriate to talk about the skewness of a histogram; that is, the tendency of the observations to fall more on the low end or the high end of the X-axis.
Differently, bar charts' X-axis does not have a low end or a high end; because the labels on the X-axis are categorical - not quantitative. Therefore, it is less appropriate to comment on the skewness of a bar chart.
Why Use Histograms and Bar Charts
Like many other visuals, histograms and bar charts are gaining increasing popularity for the following benefits.
- Ease of data analysis.
- Simplify complicated statistics and ideas.
- Add interest and fun to presentation (reports, essays, and so on).
- Make presentations more compelling and comprehensible.
- Enhance effective information communication.
Histogram and Bar Chart Maker
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EdrawMax can greatly increase and improve the process of making charts and graphs. With abundant shapes and examples, even novice users can easily handle it because it requires no drawing skills and experience. Most importantly, it saves time, effort, and money for users by automating many drawing operations.
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Histogram and Bar Chart Examples
Candy Assumption Histogram
This histogram is about candy assumption. You can edit it easily by using the floating action button and simply changing the data value.
Stacked Bar Chart
Here shows an elaborately-made bar chart example, which is editable, printable and sharable.