Abstract #300656

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JSM 2003 Abstract #300656
Activity Number: 338
Type: Contributed
Date/Time: Wednesday, August 6, 2003 : 8:30 AM to 10:20 AM
Sponsor: Section on Statistical Education
Abstract - #300656
Title: When Good Assumptions Go Bad
Author(s): John C. Turner*+
Companies: United States Naval Academy
Address: 225 Autumn Ln., Centreville, MD, 21617,
Keywords: binomial ; prediction interval ; confidence interval
Abstract:

Many elementary probability courses mention the assumptions behind (some) of the common distributions. Much less common is a discussion of how failure to meet these assumptions will affect the calculations. I discuss how to address the effect of (1) nonindependent trials and (2) nonconstant p in the binomial distribution. The methods discussed are accessible in an introductory probability course and may even be being taught already. For each case, I discuss the effect on calculating probabilities, prediction intervals, confidence intervals and p values.


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