Question: 3. Unnecessary Test A quality control manager claims that cans of cola are being filled with amounts having a mean that is less than 12

3. Unnecessary Test A quality control manager claims that cans of cola are being filled with amounts having a mean that is less than 12 oz. If the sample data consist of 24 cans with a mean of 12.13 oz and a standard deviaton of 0.12 oz, why is it not necessary to conduct a formal hypothesis test in order to conclude that the sample data do not support the manager’s claim?

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