Asked by austin

replicate water samples were analyzed for water hardness with the following results : 102.2 , 102
.8 ,103.1, 102.3 of calcium trioxocarbonate . calculate the standard deviation of the mean and the coefficient of variation
Answered by DrBob222
And what is your problem with this. Can't you just substitute these numbers into the formula; i.e., plug and chug.
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