Random selection in audit sampling
Random selection uses a chance-based method to select sampling units. The design and evaluation must meet ISA 530’s requirements for statistical sampling if the auditor intends to quantify sampling risk; a random method can also be used in other sample designs.
Worked example
The auditor uses a random-number generator to select invoice numbers from a complete population.
Common mistake
A haphazard selection is not automatically random, and random selection does not guarantee a perfectly representative sample.
Where it appears in your exams
| Qualification | Exam | Relationship | Period |
|---|---|---|---|
| ACCA | AA | Supporting | September 2026–June 2027 |