DXC Data Scientist Interview Questions
The questions to prepare for a DXC Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Join customer, order, and product data for SG Analytics transactions within a February date range.
Identify duplicate active Finacle transactions using a CTE, grouped business keys, and a customer lookup.
Finacleddata consultancyDDXCFind the second highest salary in each department without using aggregate functions.
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Cisco Restaurant + BarExplain your experience with ML frameworks and how you choose between them for supervised learning problems.
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Walk through the assumptions behind a linear regression model and how each one affects inference.
Design an experiment to test whether a new marketing initiative improves conversion without harming key guardrails.
Explain your approach to model evaluation, including how you choose and interpret metrics for different ML problems.
Design an end-to-end travel recommendation system with retrieval, ranking, feature pipelines, and online feedback loops.
Common pipeline issues when combining multiple data sources, including schema mismatch, data quality, orchestration, and duplicate handling.
A framework for prioritizing AI product features based on user value, feasibility, evaluation quality, and trade-offs.