Intuitive biostatistics pdf

How many types of biostatistics are there?
One of the major types of biostatistics specializations is epidemiology.
Other types of concentrations in biostatistics master's degree programs include clinical and translational research, biomedical data science and mathematical statistics..
What is the understanding of data in biostatistics?
Data constitute the raw material for statistical work.
They are records of measurement or observations or simply counts.
A variable refers to a particular character on which a set of data are recorded.
Data are thus the values of a variable..

How many types of biostatistics are there?