The statistics visualizations listed below were created with and, therefore, can only be viewed with The Geometer's Sketchpad®. Once copied onto your computer, these sketches are dynamic in that you can manipulate portions of these graphs, including the data points.
You'll also want to have Sketchpad configured as a Helper Application to launch Sketchpad directly from your web browser and work with these sketches immediately.
Browse the following titles for a preview of the sketch and some ideas of how to use it.
Mean
Least Squares
R Squared
The Normal Curve
Comparing Two Means
These materials are copyrighted by Key Curriculum Press. You are given the right to reproduce them for classroom use but not to offer them for sale in any form.Chi Square
If you use Sketchpad Version 4, download all of these statistics sketches as a single Sketchpad document.
Bill Finzer, Educational Technology Director at Key Curriculum Press, has been a Sketchpad addict since 1991. When not directing the Fathom project he can be found playing viola.
©2005 KCP Technologies. All rights reserved.