Alan is conducting an experiment to determine whether a new medication is effective in reducing coughing. He finds 2,000 volunteers with coughing issues and divides them into two groups. The control group does not receive any medication; the treatment group receives the medication. The patients in the treatment group show reduced signs of coughing. What can Alan conclude from this experiment?

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confluxepic · Answer

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inowalst · Answer

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jaynator495 · Answer

please post this is in 
A. Bioligy
B. Science
or finally, C. Statistics