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2, What method of data collection would you use to collect data for a study where a
drug was given to 48 patients and a placebo to another group of 48 patients to
determine if the drug has an effect
on a patient's illness?
A) designed experiment
B) observational study
C) survey
D) published source

Respuesta :

C. Survey
Using a survey gives you the perfect way to collect the data you need for the drug effect

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