Material Detail

Confidence Interval for a Proportion

This Java applet tutorial provides a series of word problems on determining confidence intervals. Each problem prompts the user to input the steps for determining a confidence interval for a proportion. Hints are provided whenever the user enters an incorrect value. Once the steps are completed, a statement summarizing the interval obtained is displayed. The applet is supported by an explanation of the steps in creating confidence intervals...

Disciplines:

Mathematics and Statistics / Statistics and Probability / Statistics

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More about this material

Material Type:: Tutorial
Date Added to MERLOT:: June 9, 2003
Date Modified in MERLOT:: May 13, 2015
Author:: Larry Green, Lake Tahoe Community College
Submitter:: Patricia (Pat) Taylor

Primary Audience:: College General Ed
Technical Format:: Website, Java Applet
Mobile Compatibility:: Not specified at this time
Language:: English
Cost Involved:: No
Source Code Available:: No
Creative Commons:: No

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Comments

Ellen Gundlach (Faculty)

16 years ago

This is helpful for practicing 1-sample proportion calculations. It would be nice to see references to the "population proportion" to explain why confidence intervals are performed. This would be useful for a student to use independently once or twice, but it would be hard to use in a classroom setting.

Technical Remarks:

I like how the tutorial politely corrects you when you make a mistake at each step so the mistakes don't snowball. I think it would be a good idea to add in a calculator to this applet to make it self-contained.

Time spent reviewing site: 10 minutes

Thomas Brown (Faculty)

16 years ago

This would be good for students to practice calculating confidence intervals. Not very useful in a classroom setting.