Which of the following actions best describes an internal auditor's use of test data to determine whether an organization's new accounts payable system avoids processing questionable invoices for payment?

In evaluating the validity of different types of audit evidence, which of the following conclusions is not correct?

An appliance repair company is considering relocating the center that houses its service vehicles. An internal auditor wants to determine the potential reduction in average miles driven by the service vehicles if the center is relocated. Which of the following statistical sampling methods would be most appropriate for this test?

Which of the following would be an appropriate and effective control self-assessment approach in an organization with an authoritative culture?
I. Facilitated meeting
II. Survey
III. Management-produced analysis

Which of the following is least likely to vary when conducting audit engagements in different regions of an international organization?