A random sample is a subset of individuals that are randomly selected from a population of interest. Because researchers usually cannot obtain data from every single person in a group due to time, costs and other constraints, a smaller portion is randomly chosen to represent the entire group as a whole. The goal is to get a sample that is representative of the larger population.
C. Pongas ... it's referred to you it ends in s because it's referring to " tu " ( informal way ) and not " usted " ( formal way )
Audio book. It's transformed text to voice.
In-depth knowledge of one functional area. let me know if i'm fight
