PegStats
Description
Pegstats Is A System To Help Students Explore Statistical Concepts. The Pegs Contain Numbers On The Surface. The Distribution Of The Numbers On The Pegs Is Set By What You Print. The Students Can Draw Pegs From The Set You Printed And Create Easy Histograms Of The Population By Sliding The Pegs Into The Included Tray. Pegstats Can Be Used From Elementary School Through College. Obviously Histograms Are Easily Taught, But It Also Works For Bimodal Populations, The Effects Of Filtering, And The Inadequacies Of Mean To Describe A Population. Even Anova Can Be Used On The Populations. The Students Can Also Use The Numbers On The Pegs (Recording Them As They Select Them) To Perform Statistical Calculations From Mean Through Proving The Distribution Is Normal. I'Ve Included A Pdf File (Pegstats Details) With Some Lesson Ideas. This Math Manipulative Actually Mimics An Activity I Did In My First College Chemical Engineering Lab (We Used Resistors Instead Of Pegs) So The Learners Can Scale To Quite An Advanced Level. Using The Power Of 3D Printing, The Customizer Can Be Used To Make Trays Which Go Higher Than 8 If Your Printer Bed Is Large Enough. The Enclosed Openscad File Can Be Used To Make Distributions With Averages From -9 To 99 (Or More If Want To Change The Font Size).
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