itsprincessyp7748 itsprincessyp7748

16-03-2020
Social Studies

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Janice wishes to ensure that she has equal numbers of freshmen, sophomores, juniors, and seniors in her sample. She separates the population into subpopulations according to class rank and draws random samples from each subpopulation. Janice has engaged in ___________ sampling.

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alejandrahpsi alejandrahpsi

18-03-2020

Answer:

Janice has engaged in stratified random sampling.

Explanation:

Stratified random sample is a research method by which the sample is random, which means is not contoled but is is stratified, which means it is organized according a certain populaton and subpopulation. She choses random sample from each subpopulation.

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