Education Technology

# Activities

• ##### Subject Area

• Math: Algebra I: Linear Functions

9-12

45 Minutes

• ##### Device
• TI-83 Plus Family
• TI-84 Plus
• TI-84 Plus Silver Edition
• ##### Other Materials
For more information on the Key Curriculum Press mathematics series visit them on the web at www.keypress.com

## Key Curriculum Press Precalculus: Concepts and Applications Introduction to Linear Regression

#### Activity Overview

Exploration 8-1a: Introduction to Linear Regression is from Chapter 8: Fitting Functions to Data. Students will find the sum of the squares of the residuals for a function found by linear regression.

#### Before the Activity

Review the Teacher Resources PDF file.
Make copies of the Student Activity PDF file for your class.

#### During the Activity

Students will:

• Find the sum of the squares of the residuals for a function found by linear regression

• Directions:
• Distribute the student activity sheets
• Follow the procedures as outlined
• #### After the Activity

As a class, review student answers, discussing questions that appeared to be more challenging, and re-teaching as needed.