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Mathematics, 11.06.2020 20:57 newben
A company produces product with a mean weight of 10 and a standard deviation of 0.200. A new process supposedly will produce products with the same mean and a smaller standard deviation. A sample of 20 products produced by the new method has a sample standard deviation of 0.126. At a significance level of 10%, is it appropriate to conclude that the new process is less variable than the old?
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A company produces product with a mean weight of 10 and a standard deviation of 0.200. A new process...
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