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You work for a soft drink company in the quality control division You are interested...

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You work for a soft drink company in the quality control division You are interested in the standard deviation of one of your production lines as a measure of consistency The product is intended to have a mean of 12 ounces and your team would like the standard deviation to be as low as possible You gather a random sample of 15 containers Estimate the population standard deviation at a 98 level of confidence Use 3 decimal places for all answers 12 02 11 99 12 15 11 79 11 88 11 98 12 02 11 99 11 96 12 03 11 74 11 93 11 95 12 1 12 1 Data checksum 179 63 a Find the sample standard deviation b Find the lower and upper x critical values at 98 confidence Lower Upper c Report your confidence interval for

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