Objective 7.2 Democratize Data CERTIFIED-DATA-SCIENCE-PRACTITIONER Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A logistics company wants to explain to its drivers why a new route optimization model is being introduced. The drivers are concerned about job security. What is the best way to communicate the change?

   • ASend a technical memo describing the algorithm's optimization parameters.
   • BAnnounce the change without explanation to avoid confusion.
   • CHold a meeting to explain that the model helps reduce fuel costs and improve delivery times, and that drivers will still be essential.
   • DFocus only on the cost savings and ignore the drivers' concerns.
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2. 2expert · hard

   A company has invested in data literacy training, but a recent survey shows that employees still do not feel confident using data in their decisions. The training was a one-time event. What should the company do to improve the effectiveness of its data literacy efforts?

   • AReduce the amount of data available to employees to simplify their work.
   • BImplement a continuous learning program with regular workshops, office hours, and real-world data projects.
   • CBlame the employees for not applying the training.
   • DRepeat the same one-time training every year.
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4. 3application · medium

   A manufacturing company notices that many employees ignore data reports and rely on intuition for decisions. The leadership wants to foster a data-driven culture. What initial step should they take?

   • ALaunch a training program that teaches employees how to interpret data and apply it to their daily decisions.
   • BMandate that all decisions must be based on data, with no exceptions.
   • CPurchase a new analytics platform and expect employees to use it.
   • DHire more data scientists to generate reports for all departments.
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5. 4expert · hard

   A healthcare analytics firm wants to allow external researchers to access de-identified patient data for studies. The firm must comply with privacy regulations and ensure that data cannot be re-identified. What is the most appropriate approach?

   • AProvide access to a secure research environment with de-identified data and strict data use agreements.
   • BShare the data via email as encrypted files.
   • CPublish the de-identified data on a public website for easy access.
   • DGive researchers direct access to the production database with de-identified views.
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6. 5application · medium

   A healthcare organization wants to ensure its clinical staff can correctly interpret dashboards that show patient readmission rates. The staff are not data experts. What should the organization do to support them?

   • AAdd more complex metrics to the dashboard to encourage learning.
   • BRestrict dashboard access to only the data science team.
   • CProvide a detailed statistical manual for each dashboard.
   • DOffer workshops on reading charts, understanding rates, and recognizing common data pitfalls.
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