Education Technology

Math TODAY - More Students Apply Early

Published on 06/09/2008

Activity Overview

Students will explore scatterplots and independent and dependent variables. Students will find the mean value of the number of students applying under the early decision plan.

Before the Activity

If you are using the TI-Navigator™ System with the TI-73 Explorer™ you will need the attached .pdf file.
See the attached Teacher Edition PDF file for notes and guidelines for this activity. The Technology Guide PDF file includes step-by-step calculator instructions with screen shots.

If you are using the TI-Navigator™ Classroom Learning System, see the TI-Navigator Basic Skills Guide PDF file for information on how the system can be integrated into your activity.

During the Activity

Students will:

  • Create a scatterplot of a data set using appropriate values for theindependent and dependent variables.
  • Explore linear model for a data set and explain what slope and y-intercept mean.
  • Find the mean (average) value for a data set.


  • Directions:
  • Distribute the Student Edition PDF file to your class.
  • Follow the activity procedures outlined in the student document.
  • You may use the Transparency PDF file to display a large image of the USA TODAY® graphic during the activity.
  • After the Activity

    Distribute the assessment questions, or send the attached LearningCheck™ assessment to your class to gauge student understanding of the concepts presented in the activity.