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Question: Find the ninety-five percent confidence interval for the standard deviation of the ounces of coffee that a machine dispenses in 12-oiince cups. Suppose the variable & normally distributed. The data is given below. Please round your intermediate calculations to 3 decimal places and your final answer to 2 decimal place. .

11.93

11.95

12.11

11.98

12.08

11.94

11.94

12.11

12.1

12.08

 

 

 

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