Practice Test 6

A data analytics output shows that the distribution of invoice amounts has a significant spike in the $9,500 to $9,999 range, while amounts just above $10,000 are very rare. This pattern most likely suggests:

An auditor analyzes payroll data using a histogram of pay rates and observes a small group of employees with pay rates more than 3 standard deviations above the mean. Which of the following is the most appropriate interpretation?