Question: Assume sampling and analysis are two independent processes, the sampling variance due to mercury concentrations in soil is 1.52 (mg/kg) 2 , and the laboratory

Assume sampling and analysis are two independent processes, the sampling variance due to mercury concentrations in soil is 1.52 (mg/kg)², and the laboratory analysis variance for the measurement of Hg concentration is 0.032 (mg/kg)². (a) what is the sum of variance? (b) calculate the standard deviation of the overall process. Report in the correct units.

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