1.3.1 Determine whether the given description corresponds to an observational study or an experiment In a study of 449 students with a particular disease, the subjects were given certain drugs to determine if the drugs have an effect on the disease. Does the given description correspond to an observational study or an experiment? O A. The given description corresponds to an experiment B. The given description corresponds to an observational study O C. The given description does not provide enough information to answer this question.​