Calculate the single-sided upper bounded 99% confidence interval for the population standard deviation (sigma) given that a sample of size n-15 yields a sample standard deviation of 11.90. Your answer: sigma 23.03 sigma 31.30 sigma <3.10 sigma 40.82 sigma 34.94 sigma-20.63 sigma 30.80 sigma 33.78 sigma34.70 sigma 22.14 Clear answer

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