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4) A simple random sample of 18 temperature measurements was made in a large warehouse. The temperature was found to have a mean of 72.5
4) A simple random sample of 18 temperature measurements was made in a large warehouse. The temperature was found to have a mean of 72.5 F and a standard deviation of 2.7 F. Assume the temperature has a normal distribution. Estimate the population standard deviation of the temperature with a confidence level of 99%
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