This statistics book aims to provide students of Medical Sciences and professionals in the sector with an easy and attractive guide that allows them to face biomedical research and enter the fascinating world of statistics. Throughout the book you will find an introduction to descriptive and inferential statistics with a particular focus on its application to the health area; Then a series of basic concepts are presented that will help you fully enter the world of medical research. Chapters aimed at measures of position or central tendency, measures of dispersion and variability and probabilities that include different topics, each one has a wide range of exercises solved as examples, however, it will be of great help for understanding the contents and face the solution of different research problems. In addition, it is an important teaching reference biostatistics book, suitable for students of medical sciences and for all those who decide to enter the field of statistics.