Activities

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- Download All Files (ZIP)
- During the Activity Files
- outliers_bestfit_lines.tii
- outliers_bestfit_lines.pdf
Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Maths: Algebra I: Linear Functions
Author

Allan Bellman
Level

9-12
Software

TI InterActive!™
Other Materials

A similar activity can be done on the TI-83 or TI-84 but the change in the graph will not be as instantaneous.
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Investigate Outliers Effect on Regression Lines

Activity Overview

Students begin to investigate linear regression by looking at the effect of outliers on the regression line. using an interactive worksheet.

Before the Activity

Download the TII file and provide to students if this will be a hands-on lesson. You can also make copies of the instructions for the students in desired.

During the Activity

Students will investigate linear regression by looking at the effect of outliers on the regression line. The worksheet is interactive.

After the Activity

Review student answers:

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

Re-teach concepts as necessary

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During the Activity Files

Alignment

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Author

Level

Software

Other Materials