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Find the 95% confidence interval for the variance and standard deviation for the price in ten...

Find the 95% confidence interval for the variance and standard deviation for the price in ten thousand dollars of a Boiler Machine. The data represent a selected sample of 10 warehouses in the US. Assume the variable is normally distributed. 60 55 54 53 52 39 49 46 49 48
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TOPIC: Confidence interval for population mean.

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