Education Technology

Using Regression Functions

Published on 07/30/2005

Activity Overview

In this activity, students experiment with regression features of the calculator to find a best fit for a data set.

Before the Activity

  • Download TI Connect™ using the TI Connectivity Cable
  • See the attached PDF file for detailed instructions for this activity
  • Print pages 1 - 2 from the attached PDF file for your class
  • During the Activity

    Distribute the pages to the class.

    Follow the Activity procedures:

  • Enter the data in the Data-Matrix editor
  • Store the data
  • Plot a graph
  • Perform a power regression to find a best-fit curve
  • Compare table of values of the graph with the original points
  • Repeat the procedure with different regression functions
  • After the Activity

    Students answer the questions on the activity sheet.

    Review student results:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary