Conditional Inference is not Inefficient

  • G. A. Barnard
Conference paper
Part of the Lecture Notes in Biomathematics book series (LNBM, volume 18)


A paper of Welch (1939) is often referred to as demonstrating the inefficiency of conditional confidence intervals. It is the object of this note to show that such a notion arises from a misunderstanding.


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  1. Welch, B.L. (1939). On confidence limits and sufficiency, with special reference to parameters of location. Ann. Math. Stat. 10, 58–69.MATHCrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1977

Authors and Affiliations

  • G. A. Barnard

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