Discovery - Describe Details of This Phase, Including Activities and Associated Roles DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A retail bank is starting a data science project to cross-sell products to existing customers. During Discovery, the team is unsure whether the necessary customer transaction data is available in a usable format. What is the most appropriate action for the team to take during Discovery?

   • AConduct a data availability assessment to determine if the required data exists and is accessible.
   • BAsk the marketing department to provide a list of customers to target.
   • CStart building a data pipeline to extract the data from the core banking system.
   • DAssume the data is available and proceed to the modeling phase.
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Where does the Discovery phase occur in the Data Analytics Lifecycle?

   • AAfter model evaluation but before deployment
   • BAt the end, after the solution is deployed
   • CAt the very beginning, before any data analysis
   • DAfter data preparation but before modeling
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4. 3expert · hard

   A media company wants to use data science to predict which content will become popular. During Discovery, the team has identified multiple data sources, including social media trends, historical viewership, and content metadata. The project sponsor is concerned about the cost of data acquisition and wants to minimize expenses. The team must decide which data sources to include in the project plan. What is the best approach?

   • AUse only free data sources to avoid any acquisition costs.
   • BPrioritize data sources based on their potential value and cost, and document the trade-offs in the project plan.
   • CInclude all identified data sources to maximize the chance of success, regardless of cost.
   • DAsk the sponsor to increase the budget for data acquisition.
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   During the Discovery phase, which role is primarily responsible for identifying and assessing potential data sources?

   • AData engineer
   • BProject manager
   • CBusiness analyst
   • DData scientist
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6. 5foundation · easy

   In the Data Analytics Lifecycle, what is the primary purpose of the Discovery phase?

   • ATo deploy the final solution into production
   • BTo clean and transform data for analysis
   • CTo understand the business problem and identify relevant data sources
   • DTo build and validate predictive models
   Reveal Solution Discussion Select an answer first