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 techniques could be used to evaluate the effectiveness of changes to the operation of a computer help line?

Many questionnaires are made up of a series of different questions that use the same response categories (for example: strongly agree, agree, neither, disagree, strongly disagree). Some designs will have different groups of respondents answer alternate versions of the questionnaire that present the questions in different orders and reverse the orientation of the endpoints of the scale (for example: agree on the right and disagree on the left).
The purpose of such questionnaire variations is to:

Which of the following best describes the most important criteria when assigning responsibility for specific tasks required in an audit engagement?

A code of business conduct provides: