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[Testing the energetic equivalence rule for litter ants: effects of different methods for abundance estimates in

André B Vargas1, Jarbas M Queiroz, Antônio J Mayhé-Nunes

  • 1Programa de Pós-Graduaçao em Ciências Ambientais e Florestais, Univ. Federal Rural do Rio de Janeiro, 23890-971, Seropéddica, RJ. andrebvargas@yahoo.com.br

Neotropical Entomology
|January 26, 2010
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A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here.
Estimating a population mean requires the samples to be approximately normally distributed. The data should be collected from the randomly selected samples having no sampling bias. There is no specific requirement for sample size. But if the sample size is less than 30, and we don't know the population standard deviation, a different approach is used; instead...