Dataford
Top 16
Prep plan
Updated weekly · Last refresh Aug 30

Perchwell Data Analyst Interview Questions

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

16questions
~2htotal time
Track your progressSign up free to work through all 16 questions and resume where you left off.
Start practicing free →
1
Product SenseStart here. 4 questions · ~32 min
Explain Technical Product Value SimplyEasy

Describe how you translated a technical concept into clear product value for a non-technical audience.

User ResearchUser NeedsValue PropositionPerchwell
Define User Needs FirstEasy

Framework for uncovering user needs, pain points, and the core problem before moving into product or UX solutions.

User ResearchUser NeedsPain PointsPerchwell
More Product Sense questions with a free account
2
Statistics & Probability3 questions · ~24 min
Analyzing Complex DatasetsMedium

Tests your approach to handling complexity, ambiguity, and analytical troubleshooting on real data.

RegressionCorrelationData WranglingPerchwell
More Statistics & Probability questions with a free account
3
Metrics4 questions · ~32 min
Data Visualization ToolsEasy

Tests your judgment in choosing visualization tools that communicate insights effectively.

KPIsData WranglingDiagnosisPerchwell
Improving User EngagementMedium

Tests your metrics thinking and ability to translate engagement data into actionable opportunities.

North Star MetricDiagnosisEngagement MetricsPerchwell
More Metrics questions with a free account
4
More topics5 questions · ~40 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityPerchwell
SQL for Summarizing DataMedium

Tests practical SQL skills for aggregation, summarization, and clear analytical outputs.

Data WranglingGroup ByAggregationsPerchwell
Handling Missing or Inconsistent DataEasy

Tests your data cleaning strategy and judgment about imputation, filtering, and bias.

Data WranglingCTEsCase WhenPerchwell
More questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL Duplicate DetectionEasy
Practice
Practice drill

Find duplicate customer profiles by grouping on identifying fields and returning only repeated records.

Group ByHavingAggregationsAdtalem Global EducationAmerisave MortgageCitrine Informatics
Analyze Decision Impact by RegionEasy
Practice
Practice drill

Use joins, CASE WHEN, and date filtering to compare outcome rates before and after a decision.

Data WranglingDiagnosisAggregationsHarbourVest Partners
Daily Session Funnel Conversion RatesHard
Practice
Practice drill

Calculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.

User NeedsData WranglingAggregations
The finish line: interview-readyComplete all 16 questions plus 3 hands-on drills to finish this plan.