Subsampling a Mixture of Sampled Material

Abstract
We consider the problem of estimating the mean of some characteristic from composited samples. Such techniques are appropriate when the measurement of the required characteristic is costly or tedious as, for example, the determination of yield or diameter from baled wool. The formulation is in terms of variance components and, as such, may be used in conjunction with some of the techniques given by Cameron (1951). In particular, results are obtained for the case when the composited material is not exhaustively subsampled.

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