How To Find Class Limits (With Examples) - - Statology

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by Zach Bobbitt Posted on Last updated on June 8, 2021

In a frequency distribution, class limits represent the smallest and largest data values that can belong to each class.

Each class in a frequency distribution has a lower class limit and an upper class limit:

• Lower class limit: The smallest data value that can belong to a class.
• Upper class limit: The largest data value that can belong to a class.

The following examples show how to find class limits for different frequency distributions.

Example 1: Finding Class Limits in a Frequency Distribution

Suppose we have the following frequency distribution that represents the number of wins by different basketball teams:

The lower class limit is simply the smallest possible value in each class:

Conversely, the upper class limit is the largest possible value in each class:

Example 2: Finding Class Limits in a Frequency Distribution

Suppose we have the following frequency distribution:

The lower class limit is the smallest possible value in each class:

And the upper class limit is the largest possible value in each class:

Additional Resources

How to Find Class Boundaries (With Examples) How to Find Class Midpoints (With Examples) How to Find Class Intervals (With Examples)

Zach Bobbitt

Hey there. My name is Zach Bobbitt. I have a Masters of Science degree in Applied Statistics and I’ve worked on machine learning algorithms for professional businesses in both healthcare and retail. I’m passionate about statistics, machine learning, and data visualization and I created Statology to be a resource for both students and teachers alike.  My goal with this site is to help you learn statistics through using simple terms, plenty of real-world examples, and helpful illustrations.

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One Reply to “How to Find Class Limits (With Examples)”

1. Can you help in finding an upper class limit if ur given the lower? (*I need help*)(argh!)

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