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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.

Math
Data, Statistics & Probability
Middle School
Worksheets
Ages 11–14
hard

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

Answer key for Calculate quartiles and interquartile range — free printable Math worksheet

How to use this worksheet

  1. Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

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