Electronic Proceedings of the Twenty-seventh Annual International Conference on Technology in Collegiate Mathematics

Las Vegas, Nevada, March 12-15, 2015

Paper A019

This is an electronic reprint, reproduced by permission of Pearson Education Inc. Originally appeared in the Proceedings of the Twenty-seventh Annual International Conference on Technology in Collegiate Mathematics, Copyright (C) 2016 by Pearson Education, Inc.


Unveiling the Mysterious Meanings of Confidence Intervals Using the Statcrunch Plotter (and Other Applet Ideas)

Carrie E. A. Grant


Mathematics and Technology Department
Flagler College
74 King Street
Saint Augustine, FL 32084


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ABSTRACT

Constructing a confidence interval using a formula is typically an easy task for students when they are given the necessary ingredient. Although understanding how to interpret the confidence interval and what the confidence interval means often remains a complex mystery to students. This paper outlines how to integrate many of the applets on StatCrunch to build an understanding of confidence intervals and how to interpret them.

Keyword(s): statistics, software