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What is Numerical Data? - Definition & Examples

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  • 0:02 Types of Data
  • 0:37 What is Numerical Data?
  • 1:35 Identifying Numerical Data
  • 3:10 Lesson Summary
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Lesson Transcript
Instructor: Cathryn Jackson

Cat has taught a variety of subjects, including communications, mathematics, and technology. Cat has a master's degree in education and is currently working on her Ph.D.

You will find numerical data in mathematics and in science. Sometimes, it can get confusing to identify. In this lesson, you will learn about numerical data and how it is used.

Types of Data

Data, in mathematical and scientific speak, is a group of information collected. The information could be anything, and is often used to prove or disprove a hypothesis, or scientific guess, during an experiment. Data that can be collected can be hair color, number of movies a person goes to, how a person feels about a certain topic, how much money a group of people make over the course of time, and so much more. Data is usually grouped into two different types of information: categorical and numerical. In this lesson, we'll talk about numerical data.

What Is Numerical Data?

Numerical data is information that is something that is measurable. It is always collected in number form, although there are other types of data that can appear in number form. An example of numerical data would be the number of people that attended the movie theater over the course of a month.

One of the ways you can identify numerical data is by seeing if the data can be added together. In fact, you should be able to perform just about any mathematical operation on numerical data. You can also put data in ascending (least to greatest) and descending (greatest to least) order. Data can only be numerical if the answers can be represented in fraction and/or decimal form. If you have to group the information into categories, then it is considered categorical.

If you were to measure the height of four ladders, you could average the heights, you could add the heights, and you could put them in ascending or descending order. That's because the height of the ladders is numerical data!

Identifying Numerical Data

Let's see if we can identify numerical data when it is presented. Look at the following image. Can you identify which data is numerical?

Bobby and Susie

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