Education Technology

Logistic Regression

Published on 07/21/2005

Activity Overview

In this TI InterActive!™ activity, students analyze statistical data using the calculator or the TI InterActive!software. They approximate Cable TV Revenues using logistic regression.

Before the Activity

  • Download the TI Connect™ software to transfer data from the computer to the calculator
  • Link the TI Connect to the calculator
  • Install the TI InterActive! on the computer
  • Print pages 1 - 2 from the attached PDF file for the class
  • During the Activity

    Distribute the printed pages to the class.

    Follow the Activity procedures:

  • Download a Cable TV Revenue data table into the TI-InterActive!'s data editor
  • Name the lists and copy the list tables into a document
  • Export the data from the computer to the calculator
  • Plot a graph of Revenue versus Time [on the calculator or on the computer using the TI-InterActive! software]
  • Perform a logistic regression [on the calculator or on the computer using the TI-InterActive! software] and find a curve of best fit for the Cable TV Revenue
  • Use the graph editor to include the best fit curve on the graph
  • Based on the regression curve, answer questions on the activity pages
  • After the Activity

    Review student results:

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