Pedagogy in Action > Library > Teaching with Data Simulations > Examples > Using an Applet to Demonstrate Confidence Intervals

Using an Applet to Demonstrate Confidence Intervals

This page authored by Pam Arroway, Jennifer Gratton, Steve Stanislav, and Roger Woodard, North Carolina State University, based on an applet by Dr. Sundar Dorai-Raj, Virginia Tech.
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This activity has been undergone anonymous peer review.

This activity was anonymously reviewed by educators with appropriate statistics background according to the CAUSE review criteria for its pedagogic collection.

This page first made public: Feb 6, 2008

This material was originally developed through CAUSE
as part of its collaboration with the SERC Pedagogic Service.


Students work individually with an applet to enhance their understanding of confidence intervals. Using a detailed step by step activity, they will use simulated data from the applet to determine the percentage of confidence intervals that capture the population proportion.

Learning Goals

Students should be able to:

Context for Use

This activity is appropriate for a college introductory statistics course for any class size. This can be done in a lab setting or as an out-of-class assignment.
Before beginning, students need to be familiar with

Description and Teaching Materials

Student Handout (Microsoft Word 141kB Aug14 06)

Teaching Notes and Tips


Make sure to emphasize in class the following day:

References and Resources

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