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06.11.2021 •
Mathematics
2. Researchers want to test if a new medicine will help people who have trouble falling
asleep. To determine if the medicine works, they give it to 100 volunteers who report having
trouble sleeping. After using the medicine for one week, the volunteers will report back on
how the medication worked.
Explain how a control group and a placebo could have been used and why that is important.
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