BTS Software Solutions Data Scientist Interview Questions
The questions to prepare for a BTS Software Solutions Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Calculate a three-day moving average of active-client revenue using aggregation and SQL window functions.
Calculate each Hinge user's 30-day rolling average of daily interactions using CTEs and window functions.
HingeCCatalyst Operations & AnalyticsAAlight SolutionsCalculate three-day rolling passenger entry averages for TfL stations using aggregation and window functions.
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MercariDesign a feature experiment with clear hypotheses, metrics, power, randomization, analysis rules, and safeguards against common pitfalls.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
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Diagnose a below-expectations product metric drop using decomposition, guardrails, and experiment checks.
Explain what statistical significance means, how p-values and confidence intervals support decisions, and why significance alone is not enough.
Tests prioritization under pressure, ownership, and stakeholder management when several urgent demands compete at once.
Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.