To find the standard deviation of the diameter of wooden dowels, the manufacturer ...

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To find the standard deviation of the diameter of wooden dowels, the manufacturer measures 19 randomly selected dowels and finds the standard deviation of the sample to be s=0.16. find the 95% confidence interval for the population standard deviation 

    • 8 years ago
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    Df = n - 1 = 19 - 1 = 18 s = 0.16 ...
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