The Statistical plays a fundamental paper in the development of the Science, being one of the base of the scientific method in the his empirical and interpretative phases. The varied nature of the investigation in the Sciences of the Health does that the application of the scientific method and the statistical technicians result indispensable in this field. The sanitary professionals, and in particular the personnel of infirmary, handle usually a big quantity of data (measurements of laboratory, anthropometric, reports on patients, clinical essays, etc.) That require an appropriate treatment so that they result really informative and of utility. In this stage, the statistical methods allow summarizer, analyse and evaluate this information facilitating and supporting scientifically takes it of decisions.
