Audit Sampling
ISA 530 Audit Sampling and Other Selective Testing Procedures defines Audit sampling is the application of a compliance or substantive procedure to less than 100% of the items within an account balance or class of transactions such that all sampling units have a chance of selection. To enable the auditor to obtain and evaluate evidence of some characteristics of the balance or class and to form or assist in forming a conclusion concerning the population from which the sample is drawn.
Two approaches to sampling in auditing there as:
- Non statistical or judgement sampling
- Statistical sampling