Libri di Katarzyna Ostasiewicz - libri Statistica & Applicazioni

Katarzyna Ostasiewicz

Author's titles

Minimal sample size for testing trinomial proportions for given precision of probability of type I error digital Minimal sample size for testing trinomial proportions for given precision of probability of type I error
Year: 2013
The determination of sample size is a common task for many organizational researchers. Inappropriate, inadequate or excessive sample size continues to influence the quality, accuracy and costs of research. Sample size is one of the features of analysis that can influence the detection of significant differences for population so we can’t ignore problem of sample size. This paper presents a procedure and a table for selecting sample size for simultaneously testing the parameters of a trinomial distribution. The results are obtained by examining the several possible value of a trinomial parameter vector and comparing the fixed first error type with the empirical one obtained by building the exact distribution through the code R.
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