Andela Data Analyst Interview Questions
The questions to prepare for a Andela Data Analyst interview. Questions from real interview reports rank first. Updated daily.
Tests understanding of SQL join semantics and practical query optimization on large datasets.
AndelaTests data cleaning, time-series handling, and aggregation using pandas for Andela analytics.
AndelaCalculate each user's running order total over time using a window function.
AndelaCalculate daily test positivity and its rolling 7-day average for each patient cohort.
GrailCalculate each user's 7-day rolling transaction average and daily spend rank using PostgreSQL window functions.
RakutenTests metric design for retention when user value accrues over long cycles.
AndelaTests ability to define and select KPIs that reflect both sides of a two-sided marketplace.
AndelaTests diagnostic thinking, metric decomposition, and structured troubleshooting for marketplace performance.
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Tests communication across distributed cross-functional teams, with emphasis on alignment, stakeholder management, and execution discipline.
AndelaTests experimental design, metrics selection, and control of confounding factors for marketplace matching.
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