Which of the following data analysis functions would be most useful for this test?

Mary the payroll manager at Reed Co, suspects that there might be a ghost employee scheme occurring. She wants to ensure no two employees on the payroll have the same government Identification number.

Which of the following data analysis functions would be most useful for this test?
A . Benford’s Law analysis
B . Linear regression
C . Duplicate search
D . Correlation analysis

Answer: C