USMLE Biostatistics: Types of Samples, Study Populations & Randomization

In this chapter we will introduce more essential biostatistics concepts including types of samples (simple random samples, systematic sampling, systematic sampling & cluster sampling), Probability vs non-probability sampling & Randomization. We will also introduce the concept of selection bias and representativeness.
For more USMLE biostatistics resources, check out Med-Ace.com!

[@alanwaterman1328]

Excellent lecture. Please continue posting more videos. I'm sure you'll develop a large following.