A note on the fisher information in exponential distribution

Sangun Park, Chul Eung Kim

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


It is known that the Fisher information in any set of order statistics can be simplified to a sum of double integrals. In this article, we show that it can be further simplified to a sum of single integrals for the scale parameter of an exponential distribution. Moreover, we use the result and provide a simple method of obtaining the optimal spacing of order statistics.

Original languageEnglish
Pages (from-to)13-19
Number of pages7
JournalCommunications in Statistics - Theory and Methods
Issue number1
Publication statusPublished - 2006 Feb

Bibliographical note

Funding Information:
The authors are very grateful to an anonymous referee for Remark 2.1 and other helpful comments which are incorporated in the article. This work of the first author was supported by the Korea Research Foundation Grant (KRF-2004-015-C00067).

All Science Journal Classification (ASJC) codes

  • Statistics and Probability


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