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Updated weekly · Last refresh Aug 30

Press ganey Data Scientist Interview Questions

The questions to prepare for a Press ganey Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

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1
Statistics & ProbabilityStart here. 6 questions · ~48 min
Significance on Likert ScoresMedium

Tests selection of appropriate hypothesis tests for Likert-scale patient satisfaction changes.

DistributionsHypothesis TestingStatistical SignificancePress ganey
P-value vs Confidence IntervalEasy

Tests communication of statistical results to non-technical healthcare stakeholders.

Confidence IntervalsCommunicationP-ValuesPress ganey
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2
Product Sense3 questions · ~24 min
Top Drivers of RecommendationMedium

Tests feature attribution and driver analysis for patient recommendation outcomes.

MetricsUser NeedsUse CasesPress ganey
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3
Machine Learning4 questions · ~32 min
Python ML Libraries and OverfittingMedium

Tests practical ML tooling choices and overfitting mitigation strategies.

Cross-ValidationClassificationRegularizationPress ganey
Multicollinearity in RegressionMedium

Tests modeling techniques to handle correlated predictors in survey-based regression.

Feature EngineeringBias-Variance TradeoffRegressionPress ganey
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4
SQL & Data Manipulation3 questions + 3 drills · ~54 min
Clean and Merge Healthcare DatasetsMedium

Tests data cleaning and merging skills for messy healthcare datasets.

Date Functionsnull handlingData WranglingPress ganey
Compare Rider Retention by Signup CohortHard
Practice
Practice drill

Use CTEs, joins, and date functions to compare month-1 retention across rider signup cohorts.

Window FunctionsDate FunctionsJoinsLyftDidi ChuxingWaymo
Join Tables With Date FilterEasy
Practice
Practice drill

Filter ALTEN project events to a specific February date range using PostgreSQL WHERE conditions and chronological ordering.

Date FunctionsJoinsData WranglingALTEN Technology USA
SQL Retention Query for Premium UsersHard
Practice
Practice drill

Calculate GitLab Premium user week-over-week retention using joins, CTEs, date bucketing, and the LEAD window function.

Window FunctionsDate FunctionsJoinsGitLab
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5
Behavioral & Leadership8 questions · ~64 min
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6
More topics4 questions · ~32 min
Diagnose KPI Drop After ReleaseMedium

Diagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.

KPILeading IndicatorsDiagnosisPress ganey
Experiment for Survey WordingMedium

Tests experimental design for improving survey quality and measuring causal impact.

ExperimentationHypothesis TestingGuardrail MetricsPress ganey
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