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The sodium chloride concentrations of 13 randomly selected seawater samples have a standard deviation of 6.7...

The sodium chloride concentrations of 13 randomly selected seawater samples have a standard deviation of 6.7 cubic centimeters per cubic meter. Assuming that concentrations of seawater are normally distributed construct a 98% level of confidence confidence interval for the standard deviation of sodium chloride concentrations of seawater.

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So CI is

orchestra answered 2 years ago
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