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Mathematics, 11.10.2019 18:00 belle200163

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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