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Question(s) / Instruction(s):

A research company has designed three different systems to clean up oil spills. The following table contains the results, measured by
how much surface area (in square meters) is cleared in 1 hour. The data were found by testing each method in several trials. Are the three systems equally 
effective? (Use a = 0.05)

System A System B System C
55 57 66
60 53 52
63 64 61
56 49 57
59 62
55

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