Top 18
Prep plan
Updated weekly · Last refresh Oct 17

Wave Data Analyst Interview Questions

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

18questions
~2htotal time
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1
MetricsStart here. 4 questions · ~33 min
Wave Key KPIsMedium

Tests your ability to identify business metrics that reflect transaction performance and customer outcomes at Wave.

KPIWave
Diagnosing Transfer DropHard

Tests your metrics investigation process and ability to isolate causal drivers.

Funnel Analysismarket analysisDiagnosisWave
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2
Behavioral & Leadership8 questions · ~66 min
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3
More topics6 questions · ~49 min
Understanding Type I and Type II Errors in TestingMedium

Differentiate between Type I and Type II errors in hypothesis testing with a practical example.

Hypothesis TestingStatistical SignificanceP-ValuesWave
Experiment Results and SQL WindowsMedium

Evaluates experimental analysis approach and practical SQL skills with window functions for transaction data.

Window Functionscase studysqlWave
Sample Size for Cash-In A/BMedium

Tests your experimental design skills, including power and baseline conversion assumptions.

Power AnalysisSample SizeA/B TestingWave
Testing Skewed Transaction DataMedium

Tests your choice of robust statistical methods for skewed transaction distributions.

DistributionsWave
Cleaning Duplicate TransactionsMedium

Tests your data cleaning, deduplication, and modeling approach for transactional datasets.

null handlingData Wranglingdata integrityWave
Handling Spillover in Local TestsHard

Tests your approach to causal inference under interference and spillover in marketplace experiments.

experiment designNetwork InterferenceWave

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 18 questions plus 3 hands-on drills to finish this plan.