Numerical Test Question 61 – Combined audit error rate
Scenario
An audit team checked samples from four areas and recorded the number of records containing an error.
| Area | Records checked | Records with an error |
|---|---|---|
| Payroll | 360 | 9 |
| Procurement | 240 | 12 |
| Grants | 500 | 15 |
| Travel | 400 | 20 |
Question
What was the error rate across all records checked, rounded to one decimal place?
- A. 3.5%
- B. 3.7%
- C. 4.0%
- D. 4.2%
Click to reveal the answer
Correct answer: B. 3.7%
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