Questions / Dana-Farber Cancer Institute 1 Recover a Slipping Project Written Medium1129× 2 Secure Row-Level Dashboard Pipelines Written Hard11× 3 Average Length of Stay KPI Written Easy1× 4 Visualizing Bottlenecks and Outcomes Written Medium1× 5 Top Readmission Rates Query Written Hard1× 6 Statistical vs Clinical Significance Written Easy1× 7 Random Forest Explanation for Physicians Written Easy1× 8 Testing Strategy for New Features Written Medium9 Prioritize Conflicting Engineering Deadlines Written Medium344× 10 Working with Messy Multi-System Data Written Hard1× 11 Clinic Wait Times as Actionable KPI Written Easy1× 12 Requirements from Non-Technical Clinicians Written Medium1× Show all 50 questions ↓ Show fewer ↑ 13 Optimizing SQL Execution Plans Written Hard1× 14 Multiple Comparisons Correction Written Hard1× 15 Predict 30-Day Readmission Model Written Medium1× 16 Project Tracking and Reporting Approach Written Easy258× 17 Trial Enrollment Bottleneck Analysis Written Medium1× 18 Turning Wait-Time Feedback into Analysis Written Medium1× 19 Slowly Changing Dimensions Written Hard1× 20 Reusable Dynamic SQL and Procedures Written Hard1× 21 Bias Discovery and Mitigation Written Medium1× 22 Rare Positive Class Handling Written Hard1× 23 Prioritizing Conflicting High-Stakes Work Written Easy3919× 24 Choose Visualization Tools for Research Written Easy6× 25 Streamlining Daily Hospital Operations Written Medium1× 26 Row-Level Security in BI Written Hard1× 27 SQL for Demographics and Visit Logs Written Medium1× 28 SEO and Engagement Copy Metrics Written Medium1× 29 Translating Vague Clinician Requests Written Medium1× 30 Handling Missing Patient Identifiers Written Hard1× 31 Tuning Dashboards for Fast Loads Written Hard1× 32 Diagnosing Throughput Declines Written Hard33 Custom Geographic Mapping Written Medium1× 34 Modular Queries with CTEs Written Medium1× 35 Using Epic Data Models Written Hard1× 36 Attribution for Content ROI Written Medium37 Responding to Critical Research Feedback Written Easy178× 38 Dashboard for Daily Bed Capacity Written Medium1× 39 Optimizing a Slow-Running Query Written Medium1× 40 Secure Clinical Data Pipeline Written Hard41 Safe Exploration with Dashboard Controls Written Medium1× 42 Advanced DAX and Tableau LOD Written Hard1× 43 Presenting Insights to Non-Technical Audiences Written Easy1× 44 Window Functions for Visit Timing Written Hard1× 45 Handling Missing Values in Healthcare Data Written Easy1× 46 Aligning Work With Mission Written Easy47 Prioritizing Across Competing Client Projects Written Easy5454× 48 Imputation With Clinical Meaning Written Hard1× 49 CRO for Landing Pages Written Medium50 SQL Cohort and Timeline Query Written Medium1×