Ounces and the standard deviation

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An airline serves bottles of Galena Spring Water that are supposed to contain an average of 10 ounces. The filling process follows a normal distribution. In a sample of 12 randomly chosen bottles, the mean weight was 10.016 ounces and the standard deviation was 0.059 ounces. Test whether there is a quality control violation using α = 0.05.

Reference no: EM131638613

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