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