Tell me about a time you made a significant error in a numerical analysis or financial report. How did you handle it?

Why This Is Asked
J&J FLDP analysts rotate across finance functions where accuracy and integrity are vital. This tests honesty, accountability, and problem-solving under pressure.
General Approach
Choose a real, low-stakes error from an internship or org work. Emphasize immediate correction, communication, and the preventive measure you added.
Sample STAR Answer▾
Situation
During my internship at a local bank, I was assisting in the preparation of a monthly variance analysis for the loan portfolio. I used an outdated interest rate assumption, causing a material misstatement in projected net interest income.
Task
My task was to correct the error quickly and ensure the final report to the branch manager was accurate before the management meeting the next morning.
Action
I first verified the source data and recalculated all linked formulas in Excel. I informed my supervisor immediately, then worked after hours to rebuild the model with current rates. I also added a check cell to flag any future rate discrepancies.
Result
The error was corrected before deadlines. The manager appreciated the transparency and the preventive step. The team adopted my check-cell idea for all similar reports.
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- •STAR Structure
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