Mathematics, 19.09.2020 01:01 maddie953

Which of the following is not a characteristic of both experiments and observational studies?
A. The data collected might be studied for patterns.
B. The researcher does not control or change the population.
C. The subjects are observed, and their behavior is recorded.
D. The researcher selects a sample of the population to study.
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Which of the following is not a characteristic of both experiments and observational studies?
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