Perk Data Analyst Interview Questions
The questions to prepare for a Perk Data Analyst interview. Questions from real interview reports rank first. Updated weekly.
Tests ownership and attention to detail in cleaning unreliable data while managing stakeholders and still delivering a credible analysis.
PerkTests prioritization under ambiguity, ownership, and stakeholder management when competing analytics demands create unclear trade-offs.
PerkTests communication of complex data to non-technical stakeholders, including clarity, stakeholder management, and actionable storytelling.
PerkExplain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.
PerkExplain how to validate SQL data before reporting, including null checks, duplicates, outliers, and aggregation reconciliation.
PerkUse joins, CTEs, and monthly aggregation to compute Google Maps active users and month-over-month growth.
PerkExplain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.
PerkShare how you used data to shape a business decision, including the analysis, recommendation, and outcome.
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