Explore the fundamental concepts of biostatistics in this comprehensive 35-minute lecture. Delve into the definitions of statistics and biostatistics, understanding their key concerns and applications in research studies. Learn about different types of data, variables, and random variables, as well as the distinctions between population and sample. Discover various measurement scales, including nominal, ordinal, interval, and ratio scales. Gain insights into statistical inference, simple random sampling, and experimental design. Conclude with an overview of the scientific method and its essential elements, providing a solid foundation for conducting and interpreting biostatistical research.