Confidence interval for standard deviation of ounces coffee

Reference no: EM1319847

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

Reference no: EM1319847

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