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Updated weekly · Last refresh Sep 10

Via Transportation Data Scientist Interview Questions

The questions to prepare for a Via Transportation Data Scientist interview. Questions from real interview reports rank first. Updated daily.

42questions
~6htotal time
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1
Machine LearningStart here. 9 questions · ~73 min
2
A/B Testing & Experimentation3 questions · ~24 min
Design and Reflect on A/B TestMedium

Describe an A/B test you ran, what question it answered, how you measured success, and what you learned from the results.

ExperimentationGuardrail MetricsA/B TestingVia Transportation
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3
Metrics4 questions · ~32 min
Define Success for a New FeatureEasy

Define the right metrics to judge whether a new product feature is successful.

KPIsConversion RateLeading IndicatorsVia Transportation
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4
Statistics & Probability4 questions · ~32 min
Statistical Significance in Hypothesis TestingEasy

Explain what statistical significance means and why it matters when interpreting experimental or analytical results.

Hypothesis TestingData AnalysisStatistical SignificanceVia Transportation
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5
Product Sense7 questions · ~57 min
Turn Feedback Into New FeaturesMedium

Approach for turning user feedback into a well-scoped feature, with clear prioritization, MVP definition, and success metrics.

User ResearchFeature PrioritizationUser NeedsVia Transportation
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6
SQL & Data Manipulation3 questions + 3 drills · ~54 min
7
More topics12 questions · ~97 min
Optimize a Large Data WorkflowMedium

Approach for improving pipeline efficiency while keeping the same business logic and outputs.

InfrastructureETLQualityVia Transportation
Model Validation vs BaselineMedium

Tests your approach to model evaluation, baselines, and evidence of improvement.

evaluation metricsmodel validationVia Transportation
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