Education Technology

# Activities

• ##### Subject Area

• Math: Algebra I: Linear Functions

9-12

24 Hours

• ##### Device
• TI-73 Explorer™
• TI-83 Plus Family
• TI-84 Plus
• TI-84 Plus Silver Edition

TI Connect™

• ##### Accessories

CBL™/CBL 2™
Sensor - Temperature
TI Connectivity Cable
Vernier LabPro®

• ##### Other Materials
This is Activity 29 from the EXPLORATIONS Book:

The following materials are required for this activity :
• Fresh batteries or AC adapter

## And Now, the Weather: Describing Data with Statistics

#### Activity Overview

In this activity, students will use a temperature probe to collect outdoor temperature readings over a day long period. They will then describe the data using statistical concepts.

#### Before the Activity

• Connect a temperature probe to Channel 1 on the CBL 2™ or Vernier LabPro®
• Connect the CBL 2 or LabProto the calculator using the Unit-to-Unit cable
• See the attached PDF file for detailed instructions for this activity
• Print pages 289 - 298 from the attached PDF file for your class
• #### During the Activity

Distribute the pages to your class.

• Place the temperature probe outside a window for 24 hours
• Record temperature every 10 minutes
• Observe the graph of temperature versus time data
• Calculate the mean and median values
• Compare with the calculator generated values
• #### After the Activity

Students' will analyze their data and fill in 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