Education Technology

Glencoe Algebra 1: Graphing Calculator Investigation - Curve Fitting

Published on 06/09/2008

Activity Overview

This Graphing Calculator Investigation activity is from Glencoe Algebra 1 Chapter 13: Statistics, Lesson 13-3: Histograms. Students will make scatter plots and find the appropriate regression equations that best fit the data.

Before the Activity

Review the activity PDF file.
Make copies of the activity PDF file for your class.

During the Activity

Students will:

  • Make scatterplots
  • Use the LinReg, QuadReg, and ExpReg functions of the graphing calculator to find the appropriate regression equations that best fits the data - linear, quadratic or exponential
  • State the coefficient of determination


  • Directions:
  • Distribute the student activity sheets
  • Follow the procedures as outlined
  • After the Activity

    As a class, review student answers, discussing questions that appeared to be more challenging, and re-teaching as needed.