SOLUTION: The mean sodium concentration in 25 randomly selected water samples was 20cc and the standard deviation was 5.3cc .95 percent confidence interval for the population mean.

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Question 1128663: The mean sodium concentration in 25 randomly selected water samples was 20cc and the standard deviation was 5.3cc .95 percent confidence interval for the population mean.
Answer by ikleyn(52831) About Me  (Show Source):
You can put this solution on YOUR website!
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As I understand abbreviations, " cc " stands for cubic centimeters (it is its standard use).

But concentration never measures in cubic centimeters - concentration is dimensionless value.