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Approximate Confidence Intervals for a Robust Scale Parameter

Published online by Cambridge University Press:  01 January 2025

David V. Budescu
David V. Budescu*
Affiliation:
University of North Carolina at Chapel Hill
*
Requests for reprints should be sent to David V. Budescu, L. L. Thurstone Psychometric Laboratory, Davie Hall 013-A, University of North Carolina, Chapel Hill, N.C. 27514.
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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 = (γ1 − γ2) in the two sample situations. Both procedures are based on a technique of jackknifing U-statistics developed by Arvesen.

Keywords

robustnessGini’s mean differencejackknifingU-statistics

Information

Type
Notes And Comments
Information
Psychometrika , Volume 45 , Issue 3 , September 1980 , pp. 397 - 402
Copyright
Copyright © 1980 The Psychometric Society

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Footnotes

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

References

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