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Confidence intervals for the mean of a log-normal distribution.
Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Information Science.
2005 (English)In: Journal of Statistics Education, Vol. 13, no 1, 6- p.Article in journal (Refereed) Published
Abstract [en]

Methods for calculating confidence intervals for the mean are reviewed for the case where the data come from a log-normal distribution. In a simulation study it is found that a variation of the method suggested by Cox works well in practice. An approach based on Generalized confidence intervals also works well. A comparison of our results with those of Zhou and Gao (1997) reveals that it may be preferable to base the interval on t values, rather than on z values.

Place, publisher, year, edition, pages
2005. Vol. 13, no 1, 6- p.
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URN: urn:nbn:se:uu:diva-74942OAI: oai:DiVA.org:uu-74942DiVA: diva2:102852
Available from: 2005-12-19 Created: 2005-12-19 Last updated: 2011-01-11

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Olsson, Ulf

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