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Difference Between Bar Chart and Histogram | Testbook.com

Last Updated on Jun 14, 2024

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When it comes to the comparison between a Bar Chart and a Histogram , the main difference lies in the arrangement of the bars. In a bar chart, the bars are distinctly separated, while in a histogram, the bars are placed adjacently. Both these statistical tools provide a visual representation of data, making it easier to understand large volumes of information. This article will provide a detailed comparison of a histogram and a bar graph, supported by examples.

How Does a Bar Chart Differ From a Histogram?

Bar Chart

Histogram

A bar chart is used for representing categorical data graphically. A histogram, on the other hand, is used for graphically representing quantitative data.

There is a clear space between each pair of consecutive bars in a bar chart. In a histogram, there is no space between the consecutive bars.

The height of the bars in a bar chart indicates the frequency, and the width of the bars remains the same. In a histogram, the area of the rectangular bars indicates the frequency of the data and the width of the bars can vary.

Bar Chart vs Histogram
A bar chart is essentially a graphical depiction of data using vertical or horizontal bars, with the length of the bar proportional to the data it represents. It is also known as a bar graph.
A histogram is also a graphical representation of data, but it uses adjacent rectangular bars. It is typically used to represent frequency distributions with continuous classes.

Additional Readings

Histogram

Bar graph

Understanding data through pictorial representation

Pie Chart

Frequently Asked Questions

What is the main difference between a bar chart and a histogram?

The primary difference between a bar chart and a histogram is that a bar graph is a graphical representation of categorical data with equal space between each pair of consecutive bars, while a histogram is a graphical representation of quantitative data with no space between consecutive bars.

What is a bar graph?

A bar graph is a pictorial representation using vertical and horizontal bars in a graph. The length of the bar is proportional to the measure of data.

What is a histogram?

A histogram is a pictorial representation of data using rectangular bars that are adjacent to each other. It is used to represent grouped frequency distribution with continuous classes.

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Bar Chart	Histogram
A bar chart is used for representing categorical data graphically.	A histogram, on the other hand, is used for graphically representing quantitative data.
There is a clear space between each pair of consecutive bars in a bar chart.	In a histogram, there is no space between the consecutive bars.
The height of the bars in a bar chart indicates the frequency, and the width of the bars remains the same.	In a histogram, the area of the rectangular bars indicates the frequency of the data and the width of the bars can vary.