Fundamentals of Statistical Sampling for Auditors - OAG131WEB


This webinar covers the fundamentals of statistics and statistical sampling. While many audit practitioners have software to assist in determining sample sizes and sampling methods, it is important to understand the science behind the automated tools. This webinar provides a statistics primer, the different types of data and how they are organized, probability, relationships between variables, and an overview of different data sources. It also covers the uses for statistical sampling in internal auditing and other fields.


Tuition cost


NASBA Certified CPE

3 Credits


Why you should attend

You should attend because statistical sampling is a key technique for audit success.

Who should attend

Internal and external auditors, financial auditors, audit management, regulators, compliance and risk management professionals.

What You'll learn

You will learn about common and unusual techniques, approaches and methods of sampling.



 1. Statistics Primer:

  • Data Types
  • Understanding Numerical Data
  • Understanding Categorical Data
  • Probability
  • Relationships Between Variables
  • Data Sources
  • The differences between direct and indirect data
  • Ways in which we can “picture” numerical data
  • Overview of standard deviation and normal distribution

2. Statistical Sampling Primer:

  • What is sampling used for?
  • Why do auditors sample?
  • When is sampling not appropriate?
  • Principles of statistical sampling

3. Sample Selection Techniques

4. Sampling Approaches: Acceptance, Discovery and Estimation

5. Sampling Methods Appropriate for Tests of Controls:

  • Attributes Sampling Method
  • Sequential Sampling Method (Stop-or-Go Sampling)
  • Discovery Sampling

6. Sampling Methods Appropriate for Substantive Tests:

  • Probability Proportional to Size (PPS) (Dollar Unit)

Classical Variables Sampling


Schedule your course

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ACI Learning is registered with the National Association of State Boards of Accountancy (NASBA) as a sponsor of continuing professional education on the National Registry of CPE Sponsors. State boards of accountancy have final authority on the acceptance of individual courses for CPE credit. Complaints regarding registered sponsors may be submitted to the National Registry of CPE Sponsors through its website: