Sampling Wizards

for Internal Auditors

About Sampling

In auditing, sampling means applying testing procedures to less than 100% of the population and assess certain characteristics of the sample to support the audit conclusions

Non Statistical Sampling

Probably the most common audit sampling technique. The audit team selects a sample based on its professional judgement instead of applying a rigorous mathematical approach.

Statistical Samplings

It is a structured approach based on probabilistic calculations which allows the audit team to draw conclusion on the entire population on the basis of the examined sample

Why use a statistical sampling approach

Statistical Sampling enables the audit team to define the sample size and to measure the sampling risk. Several audit sampling techniques are available in this web site:

Which sampling technique should I use?
You can use two different Wizards to ease choosing the best sampling and sample selection techniques based on your sepcific situation.

The Wizards available in this site are the following

• Sampling Techniques Wizard: it will suggest the most appropriate sampling technique according to your responses to a questionnaire
• Sample Selection Wizard: it will suggest the most appropriate sample selection technique according to your responses to a questionnaire

In this page you will also find a Sampling Process Guide, to guide you through all the necessary steps to swiftly perform your sampling process.