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Mathematics, 28.11.2019 23:31, thedocgalloway
In an article published in journal of medicine, it is reported that in a sample of 123 hip surgeries of a certain type, the average time was 139 minutes with standard deviation 22.6 minutes. find a 95% confidence interval for the mean surgery time.
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In an article published in journal of medicine, it is reported that in a sample of 123 hip surgeries...
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