Question: 2. The data set that represents the level of effectiveness of two (2) types of drugs that were administered to 30 people is shown. 15

2. The data set that represents the level of effectiveness of two (2) types of drugs that were administered to 30 people is shown. 15 people took a new drug and another 15 people took aspirin. The following scale measures the effectiveness of drugs: 5 = extremely effective, 4 = quite effective, 3 = somewhat effective, 2 = slightly effective, 1 = not at all effective. (Xm21-02) Is there a significant difference between the levels of effectiveness of both drugs?

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