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.
Explain what a p-value measures, how to compare it with alpha, and why it does not represent the probability that the null hypothesis is true.
Tests ability to communicate core statistical tradeoffs clearly to non-technical stakeholders.
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 ServicesAnalyze monthly food inventory changes by category, including received, consumed, net movement, volume, and trend direction.
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Evaluates model selection reasoning and familiarity with common ML approaches.
Tests data preprocessing judgment and ability to build robust features for production-grade models.
Tests ability to define meaningful metrics and avoid misleading proxies for engagement.
Tests experimental design skills including randomization, metrics, and validity for product decisions.