Objective 7.2 Democratize Data CERTIFIED-DATA-SCIENCE-PRACTITIONER Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Which feature is most important for a self-service analytics platform to ensure users can trust the data they are analyzing?

   • AA feature that automatically deletes data after 30 days
   • BA requirement that users must have a PhD in statistics to access the platform
   • CA data catalog that documents data definitions, sources, and refresh schedules
   • DA built-in chat application for users to message each other
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A company has implemented a self-service BI tool, but employees are struggling to find the right data sources and often use outdated data. What should the company do to provide better support?

   • ARestrict access to the BI tool until employees complete a lengthy training program.
   • BCreate a data catalog with clear descriptions, refresh schedules, and a support contact for each dataset.
   • CReplace the BI tool with a more complex one that has more features.
   • DLet employees figure out the data sources on their own to encourage exploration.
   Reveal Solution Discussion Select an answer first
4. 18expert · hard

   A large enterprise wants to implement a self-service analytics platform for its business units. The units have different data needs and skill levels. The IT department is concerned about data governance and security. What is the best approach to balance self-service with governance?

   • AAllow all employees to access all data without restrictions to encourage innovation.
   • BImplement a centralized data platform with role-based access, pre-approved data models, and a governance review process.
   • CRequire all analytics requests to go through the IT department for approval.
   • DGive each business unit its own separate analytics tool and database to maximize flexibility.
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   An organization wants to educate its employees on how to interpret data visualizations. Which training topic is most directly relevant to this goal?

   • AHow to design a company logo
   • BHow to write Python code for machine learning models
   • CHow to configure network firewalls
   • DHow to read and interpret charts, graphs, and dashboards
   Reveal Solution Discussion Select an answer first
6. 20application · medium

   A university's admissions office wants to use historical data to predict enrollment. The staff understand basic statistics but often misinterpret confidence intervals. What should the university do to improve their data interpretation skills?

   • AHire a statistician to interpret all data for the office.
   • BRemove confidence intervals from all reports to avoid confusion.
   • CProvide a short course focused on interpreting statistical outputs and common misinterpretations.
   • DGive staff a textbook on advanced statistics.
   Reveal Solution Discussion Select an answer first