Question

A scientific sample is
A.a group of representatives from the population who are chosen based on their understanding of the process.
B.a system that uses probability theory as a guide to selecting people from the population who will comprise the selected group.
C.a group of representatives from the population who have knowledge of scientific methods, thus creating a more reliable result.
D.a group of people intentionally and specifically selected from a population to be surveyed.
E.the study of political activists and the impact of political activity on character development.

Answer

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