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Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a normal distribution. Round the confidence interval limits to one more decimal place than is used for the original set of data. The daily intakes of milk (in ounces) for ten randomly selected people were: 23.3 28.4 10.5 16.4 26.4 18.1 20.4 17.3 27.4 13.2 Find a 99% confidence interval for the population standard deviation σ. (A) 3.78 oz << 13.95 oz B 3.66 oz <<12.53 oz 3.78 oz <<12.53 oz 0.88 oz <<3.38 oz
Sagot :
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