Objective 7.2 Democratize Data CERTIFIED-DATA-SCIENCE-PRACTITIONER Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   Which topic should be included in employee data education to help avoid common pitfalls in data analysis?

   • AHow to increase the font size in a word processor
   • BHow to memorize the entire company phone directory
   • CHow to recognize and avoid common biases such as confirmation bias and sampling bias
   • DHow to use a specific brand of coffee machine
   Reveal Solution Discussion Select an answer first
2. 22expert · hard

   A data science team has developed a model that predicts equipment failure. The maintenance team, which is not data-savvy, needs to trust and act on the model's alerts. The team is skeptical because they have seen false alarms before. What is the best way to communicate the model's value and build trust?

   • AAsk the maintenance team to trust the model without explanation because it is based on advanced algorithms.
   • BGuarantee that the model will never produce a false alarm.
   • CShow the model's precision and recall metrics and explain the technical trade-offs.
   • DPresent a case study showing how the model correctly predicted a recent failure, and explain the alert thresholds in simple terms.
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   An employee is struggling to build a report in the company's analytics tool and cannot find the right data source. Which support resource is most appropriate to help them?

   • AA mandate to stop using the tool until they figure it out themselves
   • BA suggestion to ask a random colleague who has never used the tool
   • CA requirement to reinstall the operating system on their computer
   • DA help desk or data support team that can troubleshoot issues and point them to the correct data source
   Reveal Solution Discussion Select an answer first
5. 24foundation · easy

   What is a key characteristic of an organization that has a strong data literacy culture?

   • AData is stored in a central repository that no one outside IT can access
   • BOnly the data science team uses data in their daily work
   • CThe organization purchases the most expensive analytics software available
   • DEmployees across departments regularly use data to support their decisions
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   Which action best demonstrates providing ongoing data support and guidance to employees?

   • AHolding a single training session and then providing no further assistance
   • BAssigning a mentor only to new employees for their first week
   • CDeleting all documentation to encourage employees to experiment
   • DCreating a knowledge base with FAQs, best practices, and tutorials for common data tasks
   Reveal Solution Discussion Select an answer first