Calculate quartiles and interquartile range
Free printable Grade 8 math worksheet for "Calculate quartiles and interquartile range" — practice one-variable statistics. No-prep, print or assign online.
This worksheet provides challenging problems focused on calculating quartiles and the interquartile range for one-variable data sets. Teachers can use it to reinforce students' understanding of data distribution and variability in a middle school math curriculum. Ideal for Grade 8 statistics lessons, the exercises promote critical thinking and data analysis skills.
Learning objectives
- Calculate the first, second, and third quartiles from a given data set.
- Determine the interquartile range (IQR) to measure data spread.
- Interpret quartiles and IQR to analyze data distribution.
Answer Key
How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Calculate quartiles and interquartile range” worksheet free?
Yes. “Calculate quartiles and interquartile range” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Middle School (ages 11–14), covering One-variable statistics.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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