Monetary Unit Sampling
It is also called "probability-proportional-to-size" (PPS) sampling. It is kind of systematic sampling that automatically identifies any item that is individually significant if its amount exceeds the sampling interval.
Thus it is most appropriate if audit objective is to detect over-statement of class of transaction or balance.
It is most commonly used statistical sampling in the practice i.e. KPMG in Malaysia is using this for sample selection.
MUS can be used for statistical projection and evaluation.
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