Free practice · single-choice · hard
Practice
Diagnose a failed cleaning reconciliation
After removing one $100 duplicate from raw revenue of $335, the cleaned report shows $210. What should the analyst do?
Confirmed duplicate · cleaning reconciliation
A controlled removal changes rows and revenue predictably
Row control
Raw4 rows
Clean3 rows
Revenue control
Raw$335
Clean$235
The $100 difference equals the one confirmed extraction duplicate; the raw layer and cleaning log remain preserved.