The intake of a particular substance for a random sample among 3 different groups of people is listed below. Is there sufficient evidence at a = 0.05 to conclude difference in the mean intake among the 3 groups ? B 2 1.5 4 3 2.5 A 2 3.7 2.5 4 1.5 0.75 1 5.1 1.3 3 3.8 2 2.9 O Reject null. There is enough evidence to conclude that at least one mean is different from the others O Do no reject null. There is insufficient evidence to conclude that at least one mean is different from the others

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