Education Technology

Activities

• Subject Area

• Math: Algebra II: Logistic Functions

9-12

60 Minutes

• Device
• TI-83 Plus Family
• TI-84 Plus
• TI-84 Plus Silver Edition
• Software

TI Connect™
TI InterActive!™

• Accessories

TI Connectivity Cable

Logistic Regression

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.

• 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