Dentsu Global Services Data Scientist Interview Questions
The questions to prepare for a Dentsu Global Services 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.
Transport for London
The Trade Desk
MercariDecide whether to act on an A/B result that trends positive but is not statistically conclusive.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Sign up to see every question
Create a free account to unlock this list and practice real interview questions.
Define a success metric for a new feature that captures real user value, not just raw usage.
Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.
Tests how you lead through ambiguity in research, take ownership of setbacks, and turn technical roadblocks into measurable outcomes.
Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.