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Test of the validity of the Poisson assumption for analysis of most-probable-number results
Journal article   Open access   Peer reviewed

Test of the validity of the Poisson assumption for analysis of most-probable-number results

C N Haas and B Heller
Applied and environmental microbiology, v 54(12), pp 2996-3002
Dec 1988
PMID: 3223765
url
https://doi.org/10.1128/aem.54.12.2996-3002.1988View
Published, Version of Record (VoR)Open Access (License Unspecified) Open

Abstract

A test of the validity of the Poisson assumption for sample replicates in dilution series of finite length is proposed and its properties are examined by using Monte Carlo simulation. The test is based on an examination of the number of intervals between complete sterility and complete infection in a series. The test is applied to a data set of routine influent coliform samples at the Chicago water supply intake. By this test, the data set is rejected as being drawn from a Poisson replication. Tables for direct application to a 3-dilution, 5-tube decimal series are presented, and their application is illustrated.

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Web of Science research areas
Biotechnology & Applied Microbiology
Microbiology
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