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Updated weekly · Last refresh Sep 27
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Grupo Astek Data Scientist Interview Questions

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

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1
A/B Testing & ExperimentationStart here. 3 questions · ~28 min
Validating Skeptical Experiment ResultsHard

Validate a positive experiment result by checking design integrity, statistical evidence, robustness, and practical significance before recommending lau...

experiment designPeekingStakeholder ManagementGGrupo Astek
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2
Behavioral & Leadership4 questions · ~38 min
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3
More topics7 questions · ~66 min
Window Functions for TrendsMedium
Practice

Calculate account-level running totals and three-row moving averages with PostgreSQL window functions.

Window FunctionsJoinsData ManipulationGGrupo Astek
Ensuring A/B Test SignificanceHard

Explain how to establish statistical significance in A/B tests using hypotheses, power, confidence intervals, and safeguards against false positives.

Hypothesis TestingData AnalysisStatistical SignificanceGGrupo Astek
Diagnosing a Sudden Metric DropHard

Diagnose a sudden 20% KPI decline by validating measurement, decomposing drivers, and separating real behavior changes from data issues.

analyticsKPIdiagnostic processGGrupo Astek
Metrics for New Product LaunchHard

Design a launch metric system that measures user value, business impact, and product health.

product metricsconsiderationsproduct launchGGrupo Astek
Diagnose Engagement DropHard

Identify the causes of a quarterly engagement decline through metric validation, decomposition, segmentation, and trend analysis.

MetricsDiagnosisuser engagementGGrupo Astek
Explaining P Values ClearlyEasy

Explain what a p-value means, how it relates to statistical significance, and how to describe it clearly to non-technical stakeholders.

CommunicationStatistical SignificanceP-ValuesGGrupo Astek
Define Metrics for New FeaturesMedium

Define a success metric for a new feature that captures real user value, not just raw usage.

MetricsFeature Prioritizationuser valueGGrupo Astek

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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
SQL Window Functions ExperienceMedium
Practice
Practice drill

Use SQL window functions to rank regions by average 2024 yield within each country.

Window FunctionsJoinsData ManipulationKBRMaximus TechQinetiq
Consecutive Activity Days QueryMedium
Practice
Practice drill

Identify each user's consecutive website activity streaks using date arithmetic and SQL window functions.

Window FunctionsDate FunctionsData ManipulationIntuit Management ConsultancyChewyAllstate
The finish line: interview-readyComplete all 14 questions plus 2 hands-on drills to finish this plan.