The relative standard deviation achievable using a particular method is less than or equal to 0.6%. With a three-fold analysis of the sample by this method, the following set of data was obtained: 43.22; 43.25 and 43.65%. The value of 43.65% turned out to be doubtful. 2 additional results were obtained: 43.30 and 43.49%. a. What is the standard deviation of the original set (n=3) and the full set (n=5) of results. Assess the reproducibility of each set of results.

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