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CONFIDENCE INTERVALS FOR THE LOG-NORMAL MEAN

โœ Scribed by XIAO-HUA ZHOU; SUJUAN GAO

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
225 KB
Volume
16
Category
Article
ISSN
0277-6715

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โœฆ Synopsis

In this paper we conduct a simulation study to evaluate coverage error, interval width and relative bias of four main methods for the construction of confidence intervals of log-normal means: the naive method; Cox's method; a conservative method; and a parametric bootstrap method. The simulation study finds that the naive method is inappropriate, that Cox's method has the smallest coverage error for moderate and large sample sizes, and that the bootstrap method has the smallest coverage error for small sample sizes. In addition, Cox's method produces the smallest interval width among the three appropriate methods. We also apply the four methods to a real data set to contrast the differences.

1997 by

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