For random errors,the overall variance, ,is calculated from the analytical variance,
,and the sampling variance,
.Which is the correct equation for calculating the overall variance?
A)
B)
C)
D)
E)
Correct Answer:
Verified
Q1: What mass of a solid sample containing
Q2: Sample preparation of a laboratory sample can
Q3: A mixture contains 2.5% KBr and 97.5%
Q5: _ dissolves substances that will not dissolve
Q6: Sample storage is an important aspect of
Q7: _uses a small volume of chromatographic stationary
Q8: Which samplng term is incorrectly defined?
A)laboratory sample
Q9: All of the following are used to
Q10: What mass will give a sampling standard
Q11: To calculate the number of required replicates
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