The entire group about which an investigator wants to draw conclusions is the

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Quizplus · Accepted Answer

The population refers to the entire group about which an investigator wants to draw conclusions. The other options are not as appropriate - confederate class refers to a group of actors who play a specific role in a research study, random sample refers to a sample selected randomly from a larger population, and sample is just a smaller subset of the larger population.

The Entire Group About Which an Investigator Wants to Draw