foundations of data science coursera week 2 quiz answers

Test your knowledge: Data-driven careers

1. What type of data professionals are business intelligence professionals and technical project managers?

  • Technical
  • Governance
  • Information technology
  • Strategic

2. Fill in the blank: Expert _____ explore vast and complex datasets in order to identify worthwhile business initiatives.

  • data analysts
  • project managers
  • data governance professionals
  • stakeholders

Test your knowledge: Doing good with data analytics

3. What is the term for organizations that are specifically created to foster a collective, public, or social advantage, rather than maximizing revenue?

  • Corporations
  • Governments
  • Cooperatives
  • Nonprofits

4. A data professional collects feedback from many different individuals, then gathers it together to inform a data project. What does this scenario describe?

  • Cross-sectioning
  • Aggregation
  • Visualizing
  • Spotlighting

Test your knowledge: Trajectory of the field

5. Fill in the blank: Artificial intelligence is the development of _____ able to perform tasks that normally require human intelligence.

  • computer systems
  • business intelligence tools
  • statistics
  • models

6. In what way is building diverse teams an effective method for countering human bias in data work? Select all that apply.

  • It eliminates outliers in the data.
  • It incorporates a wide range of perspectives.
  • It promotes wider representation.
  • It yields more accurate project results.

Weekly challenge 2

7. What are some typical responsibilities of technical data professionals? Select all that apply.

  • Transform raw data into useful information
  • Explore datasets
  • Create business intelligence dashboards
  • Build models and make predictions

8. What do data professionals do during a hackathon?

  • Collaborate to solve a problem using technology
  • Gain unauthorized access to computer systems
  • Vote on the best new data analysis software
  • Install the latest information technology hardware

Shuffle Q/A 1

9. Fill in the blank: A national identification number is an example of _____, which may permit someone’s identity to be inferred, either by direct or indirect means.

  • digital identification
  • mapped data
  • identity analytics
  • personally identifiable information

10. A data team collects information from enough people to ensure the information represents the population as a whole. What does this scenario describe?

  • Aliasing
  • Aggregating
  • A/B testing
  • Affiliating

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