What is a bar graph?

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 vertical bar chart is sometimes called a column chart . A bar graph shows comparisons among discrete categories.

What are the different types of bar charts?

As you can see, it’s best to be used to compare different sets of data. Another type of bar chart you can often see is stacked bar charts, also called segmented bar charts. Here’s an example of one: One category is also represented by several bars, but instead of being placed next to each other, these are stacked on top of one another.

What is a vertical bar chart?

A bar chart is a chart that represents categorized data which is presented using rectangular bars whose lengths or heights are proportional to the values they are representing. Bar charts can be depicted either vertically or horizontally. A vertical bar chart is sometimes also referred to as a column chart.

Why should a bar chart be labeled?

If another starting point is used, the axis should be clearly labeled to avoid misleading the Viewer. Many other variations of bar charts exist. Stacked bar charts, side-by-side bar charts, clustered bar charts, and diverging bar charts are representative examples. Labels and legends help the viewer determine the details included in these charts.