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Approximate confidence intervals for a robust scale parameter

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Abstract

A recent paper by Wainer and Thissen has renewed the interest in Gini's mean difference,G, by pointing out its robust characteristics. This note presents distribution-free asymptotic confidence intervals for its population value,γ, in the one sample case and for the difference Δ=(γ 1−γ 2) in the two sample situations. Both procedures are based on a technique of jackknifingU-statistics developed by Arvesen.

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Authors and Affiliations

  1. L. L. Thurstone Psychometric Laboratory, University of North Carolina, Davie Hall 013-A, 27514, Chapel Hill, N.C.

    David V. Budescu

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  1. David V. Budescu
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The author would like to thank Dr. Mark I. Appelbaum for his useful comments on an earlier version of this manuscript.

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Budescu, D.V. Approximate confidence intervals for a robust scale parameter. Psychometrika 45, 397–402 (1980). https://doi.org/10.1007/BF02293912

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  • DOI: https://doi.org/10.1007/BF02293912

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