marlin wants to make his anemone home a safer place to live. he has created an ointment that he thinks will reduce the stinging power of the anemone. he recruits 100 neighbors that are willing to participate in his study. he has 50 of them (group a) apply the new ointment to their scales. the other 50 (group b) apply a mixture that looks exactly like the new ointment, but is really just a mixture of sand and dye. both groups were told that they were getting the ointment that would reduce anemone stings. two hours after applying the ointment, 30 neighbors in group a reported having fewer stings from their anemones and 8 neighbors in group b reported having fewer stings. a. which people are in the control group? group b b. what is the independent variable? c. what is the dependent variable? ointment d. what should marlin’s conclusion be?