Examlex
At a minimum, the human immune system is capable of recognizing approximately how many different antigens?
Random Sample
A group of people selected from a broader population, where each person has the same likelihood of being chosen.
Stratified Sample
A sampling technique where the population is divided into subgroups (strata) and samples are drawn from each stratum to ensure representation of the whole population.
Primary Research
The process of gathering original data directly from sources through surveys, interviews, or experiments.
Interviews
Structured conversations where one or more persons ask questions to obtain information from another person, often used in the context of job hiring.
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