This book aspires to impart an appreciation of fundamental biostatistics principles and practices. It endeavors to present a thorough insight into the essential concepts of biostatistics, which are simple, accessible, and pertinent to both students and practitioners in the field. The book delves into the planning and execution of clinical trials and epidemiological studies, covering data collection, research methods, clinical measurement, and sample size determination, as well as calculations for various study designs. This makes it an indispensable handbook for students and researchers in agriculture, veterinary, life sciences, medicine, public health, biological, and social sciences.