A quality control specialist for a restaurant chain takes a random sample of size 12 to check the amount of soda served in the 16 oz. Serving size. The sample mean is 13.30 with a sample standard deviation of 1.55. Assume the underlying population is normally distributed. What is the error bound
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quality control specialist for a restaurant chain takes a random sample of size 12 to check the amount of soda served in the 16 oz. serving size. The sample mean is 13.30 with a sample standard deviation of 1.55. Assume the underlying population is normally distributed.
Please calculate margin of error with steps.
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ME = z*s/sqrt(n)
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ME = z*1.55/sqrt(12)
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Note: z depends on the desired level of confidence.
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