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Investigate Causes of Increased Payroll Processing Time

GustoData Scientist · Technical Screen

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This interview question evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer for Investigate Causes of Increased Payroll Processing Time states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

Scenario

Mini case with a senior analyst or hiring manager focused on diagnosing performance changes in core payroll metrics

Question

Monthly payroll processing time has increased by 15% compared with the previous month. Using data, how would you investigate the root causes and recommend next steps?

Hints

Lay out hypotheses, required datasets, cuts (time, geography, product tier) and an investigation sequence; finish with potential experiments or fixes.