Biostatistics is a field of study that applies statistical methods to biological and health-related data. It plays a crucial role in medical research, public health, and biological sciences by providing tools and techniques for collecting, analyzing, and interpreting data. Biostatisticians develop study designs, choose appropriate statistical methods, and analyze data to draw meaningful conclusions about health outcomes, disease prevalence, treatment efficacy, and other important factors. They help researchers make sense of complex data sets, identify patterns, and draw valid inferences. Research methodology, on the other hand, refers to the systematic approach used to conduct scientific investigations. It encompasses the overall plan or strategy for conducting research, including the selection of research questions, study design, data collection methods, and data analysis techniques. Research methodology provides a framework for ensuring the reliability, validity, and generalizability of research findings. By combining biostatistics and research methodology, scientists and researchers can design rigorous studies, analyze data effectively, and draw scientifically sound conclusions to advance our understanding of health and biology.