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	How Tall? Describing Data with Statistical Plots

Activity Overview

In this activity, students' will measure their heights using a motion detector and describe the data using the statistical concept called box plot.

Before the Activity

Connect the motion detector to the DIG/SONIC port of the CBL 2™ or the DIG/SONIC 1 port of the Vernier LabPro®

Connect the CBL 2™ or LabPro® to the calculator using the Unit-to-Unit cable

See the attached PDF file for detailed instructions for this activity

Print pages 279 - 286 from the attached PDF file for your class

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During the Activity

Distribute the pages 279 - 286 to your class.

Follow the Activity procedures:

Position the motion detector 2.5 meters from the floor, pointing straight downward

Measure the distance to the floor

Each student stands under the motion detector

Record the distance to the student's head

Calculate the student's height

Repeat the step for other students'

Collect the data for all students' and determine the mean, minimum, median, and maximum value

Draw a box plot

After the Activity

Students' will analyze their data and complete the Data Collection and Analysis Sheet. They will also answer questions listed in it.

Review student results

As a class, discuss questions that appeared to be more challenging

Re-teach concepts as necessary

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