4.2. Develop a 2 x 2 table. Label the table. Show the cell contents and marginal totals. (4 points) 4.3. Specify and then calculate the appropriate measure of association. (2 points) 4.4. Interpret the measure of association. (2 points) Penicillin is currently the drug of choice for treating streptococcal pharyngitis if the patient is not allergic to it. Suppose that a new antibiotic is developed which appears in preliminary tests to be more effective than penicillin for this condition. In setting up an experimental trial of the new drug for streptococcal pharyngitis, which of the following randomly selected control groups would you prefer? (I point) A. A control group that receives the standard dose of penicillin B. A control group that receives a small dose (less than the standard dose) of penicillin G. A control group that receives a placebo. Briey state why you rejected each of the other two groups? (2 points)