Fundamentos de metodología de la investigación

Two new coefficients to measure Relative Variability and Content Validty in statistical analysis. Properties, examples and Spss computer programs

The study it become fulfilled to a sample of 376 bigger adults (with more than 65 years) sheltered for the project of the nucleus of financier support of the university this-such of the south of Manabí, by obtaining as main result that is must pay attention the ignorance they possess the adults of the third age on the maximum sum of return for IVA and the exigencies of the SRI, in the process of return of the IVA to the adults of the third age.

Libro de texto para los estudiantes de Estadística tanto de Biología como de Ciencias de la Salud en general. En él se hace una exposición clara y sencilla de los conceptos y contenidos básicos de la asignatura. Al mismo tiempo, aborda la materia con la suficiente profundidad como para adaptarse a niveles de segundo y tercer ciclo (optativas de segundo ciclo, doctorado, máster en investigación biomédica). Incluye numerosos ejercicios y ejemplos de los diferentes procedimientos estadísticos aplicados a las diferentes áreas biomédicas, con la solución a cada uno de ellos. NOVEDADES...

This book presents plane geometry following Hilbert's axiomatic system. It is inspired on R. Hartshome's fantastic book Geometry: Euclid and Beyond, and can be considered as a careful exposition of most of chapter II of that book. It must be remarked that non-euclidean geometries, i.e. geometries not satisfying the fifth postulate of Euclid, enter the scene, in a natural way, from the very beginning. The vast majority of plane geometry texts are only concerned with euclidean geometry, loosing the oportunity of not only teaching rigorous reasoning to freshmen, but at the same time exposing...