Luxoft Singapore Data Scientist Interview Questions
The questions to prepare for a Luxoft Singapore Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Assesses your ability to use Tableau to analyze and communicate data insights.
Tests SQL proficiency for ranking and aggregation queries used in product analytics.
Use a scalar subquery and MAX to find the second distinct annual salary.
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Amazon Web ServicesAggregate watch minutes and rank the five most-watched shows within each region.
Calculate each study's six-month rolling average of patient enrollment using PostgreSQL window functions.
Evaluates model selection reasoning and familiarity with common ML approaches.
Tests data preprocessing judgment and ability to build robust features for production-grade models.
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Evaluates understanding of p-values and correct interpretation in statistical decision-making.
Tests ability to communicate core statistical tradeoffs clearly to non-technical stakeholders.
Tests ability to define meaningful metrics and avoid misleading proxies for engagement.
Tests experimental design skills including randomization, metrics, and validity for product decisions.