Statistical Education Resource Kit

Concepts of Confidence Intervals

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Table of Contents

Concepts of Confidence Intervals

Confidence Interval

General Format of a Confidence Interval

Accuracy of a mean

Standard Error of Mean

Interpretation

For Large Population of Women

C.I. for mean pulse of men

Do men and women differ in mean pulse?

Thought Question 

Part A

Part B

Direct look at the difference

Confidence Interval for Difference

Thought Question

Do Bald Men Have Greater Risk?

Lack of Validity

Summary

 Author: Bob Heckard

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This web page was submitted by Bob Heckard: rho@stat.psu.edu