# Identify the range of numbers

Domain, Range, and Codomain of a Function

Subtract the smallest number in your data set from the largest number. The resulting number is the range.

### Range of a Function

Interactive examples Don't miss the applet exploring these examples here: Domain and Range interactive applet. In this example, the numbers are already listed in numerical order, so I don't have to rewrite the list. The Complex Numbers chapter explains more about imaginary numbers, but we do not include such numbers in this chapter. Samsung Internet Android No support No. Let's look at some more examples. Published by.

Learn why people trust wikiHow. Author Info Updated: June 11, Learn more List the elements of your data set. To find the range of a set, you'll need to list all of the elements of the set so that you can identify the highest and lowest numbers. Write down all of the elements. The numbers in this set are: 20, 24, 25,19, 24, 28 and In this example, the set would be rearranged like this: 14, 19, 20, 24, 24, 25, Listing the elements of the set in order can also help you make other calculations, such as finding the mode, mean, or median of the set. Identify the highest and lowest numbers in the set.

In this case, the lowest number in the set is 14 and the highest number is Now that you've identified the smallest and largest numbers in the set, all you have to do is subtract them from each other.

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Subtract 14 from 28 28 - 14 to get 14, the range of the set. Label the range clearly. Once you've found the range, label it clearly. This will help you avoid confusing it with any other statistical calculations that you may need to make for the set, such as finding the median, mode, or mean.

### Math Definition

Chelsea soden. First order the data from least to greatest, then subtract the smallest value from the largest value in the set. Yes No. You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email.

This site uses Akismet to reduce spam. Learn how your comment data is processed. The function k x above is an example of this situation. Functions h x and j x above are examples of this situation. For example: f x above does not have any restrictions to its Range… it can produce all real numbers. Codomains can be useful when: You need to restrict the output of a function. The Range might be difficult to specify exactly, but a larger set of numbers that includes the entire Range can be specified.