Exploring Box and Whisker Plots

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Objective

I can create and interpret box and whisker plots to analyze data sets.

Part 1 of 4

Warm-up video

IXL · 4:50

We don't generate video — this one is by IXL on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 4

Key concepts

3 concepts

  1. 1

    A box plot displays the minimum, lower quartile, median, upper quartile, and maximum values of a data set.

  2. 2

    The range is the difference between the maximum and minimum values, while the interquartile range (IQR) is the difference between the upper and lower quartiles.

  3. 3

    The interquartile range (IQR) measures the variability of a data set; a larger IQR indicates more variation in the data.

Part 3 of 4

Practice

8 questions

1

What five values are displayed in a box and whisker plot?

2

In a box and whisker plot, what percentage of the data falls between the lower quartile (Q1) and the upper quartile (Q3)?

Part 4 of 4

Exit ticket

Quick comprehension check

Here is a data set: 2, 5, 7, 9, 11, 12, 15, 18, 20. Create a box and whisker plot for this data set. What is the interquartile range (IQR) of this data?

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

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