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Abstract Details
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Activity Number:
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557
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Type:
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Invited
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Date/Time:
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Wednesday, August 3, 2011 : 2:00 PM to 3:50 PM
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Sponsor:
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ASA
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| Abstract - #303436 |
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Title:
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Sequential Confidence Limits for the Ratio of Binomial Proportions II: Unequal Sample Sizes
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Author(s):
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Hokwon Cho*+
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Companies:
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University of Nevada
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Address:
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, , ,
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Keywords:
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Abstract:
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In this paper, we consider the approximate sequential confidence limits for the ratio of two independent binomial proportions that have unequal sample sizes. By defining a sample-ratio, we generalize results of Cho and Govindarajulu (2008) for binomial variates with equal sample sizes. Due to the nonexistance of an unbiased estimator for the ratio, we develop the procedure based on a modified maximum likelihood estimator. We also investigate the large-sample properties of the proposed estimator and its finite sample behavior through numerical studies.
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