Chemistry, 20.04.2021 16:00, jackie36390
5. 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.
Answers: 1
5. Replicate water samples are analyzed for water hardness with the following results:
102.2, 102....
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