Objective 7.2 Democratize Data CERTIFIED-DATA-SCIENCE-PRACTITIONER Practice Questions (Page 6)

Questions 26–30

1. 26foundation · easy

   Which initiative best fosters a culture of data literacy within an organization?

   • ARequiring all employees to become certified data scientists
   • BDiscouraging questions about data to avoid slowing down projects
   • CLimiting data access to only the executive team to reduce confusion
   • DEncouraging employees to base decisions on data and providing ongoing training opportunities
   Reveal Solution Discussion Select an answer first
2. 27application · medium

   After rolling out a self-service analytics tool, a company finds that several employees are creating reports with inconsistent definitions of 'active customer.' What should the company do to address this issue?

   • ASend an email reminding employees to be consistent, without further action.
   • BEstablish a data governance team to define standard metrics and provide guidance on their use.
   • CDisable the self-service tool and require all reports to be created by the central data team.
   • DLet employees continue using their own definitions to encourage creativity.
   Reveal Solution Discussion Select an answer first
4. 28application · medium

   A software company wants to improve collaboration between its data science and product teams. Currently, data findings are shared only in quarterly presentations. What should the company do to promote transparency and collaboration?

   • ARequire product managers to submit data requests through a formal process.
   • BLimit data access to the data science team to avoid confusion.
   • CContinue with quarterly presentations but add more slides with technical details.
   • DCreate a shared data portal where findings, documentation, and dashboards are accessible to both teams.
   Reveal Solution Discussion Select an answer first
5. 29foundation · easy

   A data scientist needs to explain a predictive model's results to a group of marketing managers who have no technical background. Which approach best exemplifies plain-language communication?

   • AState that the model has an AUC of 0.87 and ask managers to interpret it
   • BShare the Python code used to train the model so managers can inspect the logic
   • CDescribe the model's output as 'a score that estimates the likelihood a customer will churn in the next 30 days'
   • DPresent the model's confusion matrix and ROC curve, explaining each metric in detail
   Reveal Solution Discussion Select an answer first
6. 30foundation · easy

   What is the primary goal of translating technical data findings into plain language for nontechnical stakeholders?

   • ATo reduce the need for data validation and quality checks
   • BTo ensure that only data scientists can interpret the results
   • CTo enable stakeholders to understand the findings and make informed decisions
   • DTo make the findings sound more impressive and technical
   Reveal Solution Discussion Select an answer first