CAT / FIA FAU Syllabus D. Audit Evidence And Procedures - Statistical or non-statistical? - Notes 2 / 4
Statistical sampling uses random selection to select samples and then assesses the results using probability theory
Statistical sampling
A Random selection using generation of a random number and an interval size to select the items
Extrapolate the error rates e.g. (if half of the sample's wrong then half of the population is too)
Sample has to be sufficiently large to be representative of the population
Auditor can increase the sample size if errors are discovered
Audio Player
Non-statistical sampling
Any method which does not fit into the above is non-statistical sampling
Sometimes known as judgemental sampling
Previous
Definition & need
Syllabus D. Audit Evidence And Procedures
D4. Audit sampling
Next up
Methods of Sampling
Syllabus D. Audit Evidence And Procedures
D4. Audit sampling