This is a new edition of the popular textbook of statistics for medical students, doctors, medical researchers, and others concerned with medical data. The fundamental concepts of study design, data collection and data analysis are explained by illustration and example. The material covered includes all the statistical work that would be required for a course in medicine and for the examinations of most of the royal colleges. This book is intended for medical students; nurses, doctors, medical researchers. Students of public health and epidemiology.