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Mathematics, 02.07.2020 23:01 emilyscroggins794

A sample of 50 cotton threads shows the mean breaking strength to be 220 grams and the sample standard deviation to be 12 grams. What is the 95% confidence interval for the standard deviation of breaking strength of the thread.

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A sample of 50 cotton threads shows the mean breaking strength to be 220 grams and the sample standa...

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