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@cram
first one
ok 2 more plz
ok
A study of a new medication found that patients who took the medicine have reduced blood pressure, compared to those who did not take the medicine. The research team concluded that the medicine caused the reduction in blood pressure. Which study design did they most likely use? They most likely used an experiment with patients randomly assigned to take the medicine or not take the medicine. They most likely used an experiment with patients randomly assigned to groups based on their blood pressure. They most likely used a survey asking patients if they took the medicine and how their blood pressure was affected. They most likely used a survey asking patients if they took the medicine and if they felt the medication helped their blood pressure.
Two ad agencies want to understand issues that are important to students. Agency A will interview 50 students whose names are randomly chosen from school enrollment data. Agency B will interview 50 randomly selected people from those who respond to a social media posting. Which method will produce a fair sample of the student population and why? Agency A, because students are convenient and easy to interview Agency A, because names randomly selected from school data will be student names Agency B, because people who respond to social media postings have strong opinions Agency B, because people who respond to social media postings are usually students
@cram
second one
huh? are u giving out direct answes?????
u know that is strictly against rules
sorry
okay i hope u do not do this again
i'm leaving this here as of now, ok? pls dont attempt this again
ok
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