title: Some remarks on the bias of the MPN method.
abstract: The estimation of cell number by using the MPN method was studied mathematically for three parallel inoculations from three decimal dilutions. As a result of computation it can be established that these estimations at a range of microbial numbers over 10 are biased. Confidential estimation could be obtained at cell numbers between 0 and 10 accepting only a few combinations of positive and negative test tubes. These are 1 0 0, 2 0 0, 3 0 0, 3 1 0 and 3 2 0.
authors.affiliation: Department of Microbiology and Biotechnology, University of Horticulture and Food Industry, Budapest, Hungary.
authors.forename: O
authors.initials: O
authors.lastname: Reichart
mesh_terms: D015982:Bias; D015169:Colony Count, Microbial / Q000592:standards*; D011336:Probability