Top 13
Prep plan
~2h total · Updated weekly · Last refresh Aug 9

Perk Data Analyst Interview Questions

The questions to prepare for a Perk Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

Cleaning Messy Data Under Deadline
Medium

Tests ownership and attention to detail in cleaning unreliable data while managing stakeholders and still delivering a credible analysis.

data cleaningexperienceAnalysis
Perk
Prioritizing Conflicting Analytics Requests
Easy

Tests prioritization under ambiguity, ownership, and stakeholder management when competing analytics demands create unclear trade-offs.

coding experienceProblem Solvingtechnical discussion
Perk
Explaining Analysis to Non-Technical Stakeholders
Easy

Tests communication of complex data to non-technical stakeholders, including clarity, stakeholder management, and actionable storytelling.

Influence Without AuthorityStakeholder ManagementCommunication
Perk
More Behavioral & Leadership questions with a free account
Explain SQL Join TypesEasy

Explain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.

JoinsData WranglingGroup By
Perk
Validating Data Before Reporting
Easy

Explain how to validate SQL data before reporting, including null checks, duplicates, outliers, and aggregation reconciliation.

JoinsData WranglingQuality
Perk
Monthly Active User Growth by Platform
Medium

Use joins, CTEs, and monthly aggregation to compute Google Maps active users and month-over-month growth.

Window FunctionsDate FunctionsAggregations
Perk
Customer Orders: LEFT vs INNER JOIN
Easy

Explain how INNER JOIN and LEFT JOIN differ, and when to use each for matched-only versus all-left-row analysis.

JoinsData WranglingGroup By
Perk