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Determine whether the study is an experiment or an observational study, and then identify a major problem with the study.A medical researcher tested for a difference in systolic blood pressure levels between male and female students who are 12 years of age. She randomly selected four males and four females for her study.

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Answer:

The study is an observational study because the researcher is simply collecting data from the students.

Explanation:

This case is an observational study since the medical investigator is observing and comparing individuals regarding a difference in systolic blood pressure levels between males and females.

For the study to be an experiment, the researcher should do an intervention on the students, to then collect data and study the effects of it. Also, he should group the students by chance to properly conduct an experiment.

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