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Chemistry, 21.04.2021 16:40 alyssamaize

Replicate water samples are analyzed for water hardness with the following results: 102.2, 102.8, 103.1 and 102.5ppm CaCO3. Calculate:-
(a) The standard deviation
(b) The relative standard deviation
(c) The standard deviation of the mean
(d) The relative standard deviation of the mean.

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