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Use the given degree of confidence and sample data to find a confidence interval for the...

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 the same number of decimal places as the sample standard deviation.

Weights of men: 90% confidence; n = 14,  = 161.5 lb, s = 13.7 lb

Math   Statistics-And-Probability   
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