A note on comparison of conditional means

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Let (X1,Y1),...,(Xp,Yp be i.i.d. random vectors. This paper is concerned with the estimation of E(X1|X1>0) E(Y1|Y1>0). This problem arises naturally in comparing the fishing ability of different vessels. In this case (Xi, Yi) denote the catch per tow of the two vessels at the site i or time i. Due to the highly skewed nature of the distributions of the catches the difference of the average means would not give a realistic idea of the relative fishing power of the vessels.

Original languageEnglish (US)
Pages (from-to)253-259
Number of pages7
JournalJournal of Statistical Planning and Inference
Issue number2
StatePublished - Jan 1 1988

All Science Journal Classification (ASJC) codes

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Statistics and Probability


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