Fundamentals of Biostatistics

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.

Definition of Statistics.
Definition of Biostatistics.
Concerns of Biostatistics.
Stages of a Research Study.
Data.
Sources of Data.
Types of Data.
Types of Variables.
Random Variable.
Types of Random Variable.
Population.
Sample.
Sampling.
Measurement.
Measurement Scales.
Nominal Scale.
Ordinal Scale.
Interval Scale.
Ratio Scale.
Statistical Inference.
Simple Random Sample.
Experiments.
The Scientific Method.
Elements of the Scientific Method.