Which Type of Data Would Be Displayed in a Histogram?


Heather Bennett

When it comes to visualizing data, histograms are a powerful tool that can provide valuable insights. They are particularly useful for displaying the distribution and frequency of numerical data. In this article, we will explore the different types of data that are commonly displayed in histograms.

What is a Histogram?

A histogram is a graphical representation of data that uses bars to display the frequency distribution of a dataset. The x-axis represents the range of values, divided into intervals or bins, while the y-axis represents the frequency or count of values falling within each bin.

Continuous Data

Continuous data is a type of numerical data that can take any value within a given range. It is often measured on a continuous scale, such as time or temperature. Histograms are an excellent way to visualize continuous data as they provide an overview of how values are distributed across the range.

  • Example: Let’s say we have collected data on the heights of individuals in a population. By creating a histogram, we can determine how many individuals fall within specific height ranges (e.g., 150-160 cm, 160-170 cm, etc.)

Discrete Data

Discrete data, on the other hand, consists of distinct values or categories and cannot be measured on a continuous scale. It often represents counts or frequencies and is commonly used in fields like statistics and probability theory.

  • Example: Suppose we have surveyed students about their favorite subjects and collected data on the number of students who prefer math, science, literature, and history. By creating a histogram, we can see how many students fall into each category.

Grouped Data

When dealing with large datasets, it is sometimes more convenient to group the data into intervals or ranges. This allows for a more compact representation of the data while still capturing its distribution.

  • Example: Imagine we have collected data on the ages of participants in a marathon. Instead of displaying each individual age, we can group the ages into ranges (e., 20-29, 30-39, etc.) and create a histogram to visualize the age distribution of the participants.


In conclusion, histograms are an effective way to visually represent various types of data. They are particularly useful for displaying distributions and frequencies of numerical data, whether it is continuous or discrete. By using histograms, you can gain valuable insights into your data and make informed decisions based on its patterns and characteristics.

So next time you have a dataset that needs visualizing, consider using a histogram!

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