1. Box-and-Whisker Plots
1-6
Box-and-Whisker Plots
Warm Up
Problem of the Day
Lesson Presentation
Course 2

2. Box-and-Whisker Plots
Course 2
1-6
Box-and-Whisker Plots
Learn to display and analyze data in
box-and-whisker plots.

3. Box-and-Whisker Plots
Course 2
1-6
Box-and-Whisker Plots
Vocabulary
box-and-whisker plot
first quartile
second quartile
third quartile
lower extreme
upper extreme

4. Box-and-Whisker Plots
Course 2
1-6
Box-and-Whisker Plots
The table shows the stopping distances of different vehicles from 60 mi/h. A B C D E F G
Vehicle
Stopping Distance (ft)
To show the distribution of the data, you can use a box-and-whisker plot.

5. Box-and-Whisker Plots
Course 2
1-6
Box-and-Whisker Plots

6. Box-and-Whisker Plots
Course 2
1-6
Box-and-Whisker Plots
Additional Example 1: Reading a Box-and-Whisker Plot
Use the box-and-whisker plot of students enrolled in craft classes to answer each question.
A. What is the largest class size?
B. What is the range of the class sizes?
C. About what fraction of the values are greater than 20?

7. Box-and-Whisker Plots
Course 2
1-6
Box-and-Whisker Plots
Try This: Example 1
Use the box-and-whisker plot of the amount of money spent on a pair of shoes to answer each question.
A. What was the highest amount of money spent on a pair of shoes?
B. What is the range of shoe prices?
C. What fraction of shoes cost more than $35?

8. Example 1
Ruby asked the students in her class how long their families spent making dinner each night. This box-and-whisker plot shows the results.
Find the following values:
Minimum: LQ: Maximum: UQ:
Range: Interquartile Range: Median:

9. Practice Problem 2
A professor asked her students to keep track of how many websites they visit each day. This box-and-whisker plot shows the results.
Find the following values:
Minimum: LQ: Maximum: UQ:
Range: Interquartile Range: Median: