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Hi, my doubt is simple......
 
 
When to use the Standard Deviation (SD) and the Standard Error (SE)?
 
I preffer to use the SE because when comparing groups of data the box plots with SE give me the same results as the tests. Then, it seems that using a box plot with SE the conclusion is more powerfull.
 
 
 
Voltolini
 
 
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Prof. J. C. VOLTOLINI
Grupo de Estudos em Ecologia de Mamiferos (ECOMAM)
Universidade de Taubate, Departamento de Biologia
Praca Marcelino Monteiro 63, Bom Conselho.
Taubate, SP. CEP 12030-010. BRASIL.
Tel: 0XX12 - 2254165 (Lab. Zool.) ou 2254277 (Depto. Biol.)
E-Mail: [log in to unmask]
http://www.ecomam.hpg.ig.com.br
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"Tutto di noi un angelo con un'ala e
possiamo volare soltanto se ci abbracciamo"