# Quartiles & the Interquartile Range: Definition, Formulate & Examples

Instructions:

question 1 of 3

### Find the first quartile for the following data set: 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

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### 2. Find the interquartile range for the following data set: 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

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Can you find the first quartile of a given data set? How about the second quartile? Use this quiz and worksheet to find out.

## Quiz & Worksheet Goals

Prepare to answer questions on the topics listed below:

• Identifying the interquartile range for a given data set
• Term for a group of values that divide a data set into groups of four
• Name of the value represented by the difference between the upper and lower quartile values

## Skills Practiced

• Defining key concepts - make sure you can match a definition with the right term, like the word for the values that divide a set into groups of four
• Problem solving - use what you've learned to find the first and second quartiles for provided data sets
• Knowledge application - use your knowledge to answer questions about how to find the interquartile range