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Updated weekly · Last refresh Oct 17

Splunk Data Scientist Interview Questions

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

23questions
~3htotal time
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1
Machine LearningStart here. 5 questions · ~43 min
Optimizing Model PerformanceMedium

Explain how to improve model performance using validation, regularization, and tuning while protecting generalization.

Hyperparameter TuningCross-ValidationBias-Variance TradeoffSplunk
Handling Missing Data in MLMedium

Explain practical strategies for handling missing data and how to validate that the chosen approach improves model performance.

Feature EngineeringData WranglingSupervised LearningSplunk
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2
Metrics3 questions · ~26 min
Visualize Metrics to Show TrendsEasy

Choose visuals that make trend direction, comparisons, and KPI drivers easy to understand at a glance.

KPIsLeading IndicatorsDiagnosisSplunk
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3
Behavioral & Leadership7 questions · ~61 min
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4
More topics8 questions · ~70 min
Design Test for New FeatureMedium

Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.

experiment designfeature evaluationA/B TestingSplunk
Compare Weekly User Activity TrendsMedium
Practice

Aggregate user activity by week, then use LAG to compare sessions and watch time versus the prior active week.

Window FunctionsLag/LeadDate FunctionsSplunk
Explain Core Classification MetricsEasy

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

F1 ScorePrecisionAUC-ROCSplunk
Evaluating Observed Lift SignificanceMedium

Explain how to test whether an observed experiment lift is real using hypothesis testing, p-values, and confidence intervals.

Confidence IntervalsStatistical SignificanceP-ValuesSplunk
Define Metrics for New FeaturesMedium

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

MetricsFeature Prioritizationuser valueSplunk
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 23 questions plus 2 hands-on drills to finish this plan.