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Please answer both! Solve the problem. What method of data collection would you use to collect data for a study where a drug was given

Please answer both!

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Solve the problem. What method of data collection would you use to collect data for a study where a drug was given to 87 patients and a placebo to another group of 87 patients to determine if the drug has an effect on a patient's illness? published source observational study O designed experiment Ofsurvey QUESTION 51 Solve the problem. What number is missing from the table? Grades Relative on Test Frequency Frequency FFA .24 BEPF .36 FD 6 2 08 104 9 70 28 72

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