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Updated weekly · Last refresh Oct 17

CrowdDoing Interview Questions

The questions to prepare for CrowdDoing interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
MetricsStart here. 4 questions · ~33 min
2
Machine Learning6 questions · ~49 min
Data Modeling for PredictionMedium

Tests understanding of structuring data for ML, including schema, features, and relationships.

Cross-ValidationFeature EngineeringSupervised LearningCrowdDoing
Trend Discovery and PredictionsMedium

Tests data exploration, feature thinking, and selecting modeling approaches for forecasting.

Cross-ValidationFeature EngineeringSupervised LearningCrowdDoing
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3
Behavioral & Leadership3 questions · ~25 min
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4
More topics5 questions · ~41 min
Data Cleaning in ETL PipelinesEasy

Approach for cleaning and preparing raw data inside an ETL pipeline.

Data WranglingETLQualityCrowdDoing
Statistical Project WalkthroughMedium

Walk through a past project using hypothesis testing and regression to turn data into a decision.

RegressionHypothesis TestingStatistical SignificanceCrowdDoing
What Is a Data Scientist at CrowdDoingEasy

Tests understanding of the role and expectations in CrowdDoing's data-driven environment.

User NeedsValue PropositionProduct VisionCrowdDoing
Handle Incomplete Pipeline DataMedium

Approach for handling missing, inconsistent, and duplicate data in a pipeline without breaking downstream analytics.

Data WranglingETLQualityCrowdDoing
Interpreting Results and CommunicationEasy

Tests your ability to explain statistical results clearly and tailor communication to stakeholders.

Confidence IntervalsRegressionCorrelationCrowdDoing

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