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Tea Drinkers: A tea drinker's society estimates that the mean consumption of tea by a person in the United States is more than 7 gallons per year.

Tea Drinkers: A tea drinker’s society estimates that the mean consumption
of tea by a person in the United States is more than 7 gallons per year. In a
sample of 100 people, you find that the mean consumption of tea is 7.8
gallons per year with a standard deviation of 2.67 gallons.At α=0.07 can
you support the society’s claim?

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