Sonia Vieira

  In biological, agricultural and clinical research, we often encounter experiments where the same experimental unit is measured multiple ...

  Em pesquisas biológicas, agronômicas e clínicas, frequentemente nos deparamos com experimentos nos quais a mesma unidade experimental é me...

  To understand the issue of the p-value and the significance level, we need a bit of statistical history. There are two schools of thought ...

  1.      Introduction   The assumptions required for an analysis of variance (ANOVA) are not always perfectly met by real-world data. H...