Top 50
Prep plan
Updated weekly · Last refresh Aug 30

Expedia (IT) Data Scientist Interview Questions

The questions to prepare for a Expedia (IT) Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
Product SenseStart here. 8 questions · ~65 min
2
Machine Learning9 questions · ~73 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffExpedia (IT)
More Machine Learning questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Statistics & Probability9 questions · ~73 min
A/B Testing for Product FeaturesMedium

Explain how to design and evaluate an A/B test for a product feature, including metrics, MDE, sample size, and guardrails.

Hypothesis TestingStatistical SignificanceA/B TestingExpedia (IT)
More Statistics & Probability questions with a free account
4
A/B Testing & Experimentation8 questions · ~65 min
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchExpedia (IT)
More A/B Testing & Experimentation questions with a free account
5
Metrics3 questions · ~24 min
Analyze User Engagement Drop After Feature ReleaseMedium

Assess the 15% drop in user engagement after a new app feature release and propose metric decomposition strategies.

Expedia (IT)
More Metrics questions with a free account
6
SQL & Data Manipulation8 questions + 3 drills · ~95 min
7
More topics5 questions · ~40 min
Explain Core Classification MetricsEasy

Explain precision, recall, F1-score, and ROC-AUC for a classification model.

F1 ScorePrecisionAUC-ROCExpedia (IT)
Large-Scale Processing for a DatasetHard

Tests practical pipeline design, partitioning strategy, and efficient computation planning.

InfrastructureBatch ProcessingQualityExpedia (IT)
More questions with a free account
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.