Week 1 – Data types and structures – Shuffle Q/A 2

21. Data transformation can change the structure of the data. An example of this is taking data stored in one format and converting it to another.

  • True
  • False

22. Which of the following is a benefit of internal data?

  • Internal data is less vulnerable to biased collection.
  • Internal data is the only data relevant to the problem.
  • Internal data is less likely to need cleaning.
  • Internal data is more reliable and easier to collect.

23. Which of the following is an example of structured data?

  • Audio file
  • Relational database
  • Video file
  • Digital photo

24. The following is a selection from a spreadsheet:

What kind of data format does it contain?

  • Wide
  • Short
  • Long
  • Narrow

Devendra Kumar

Project Management Apprentice at Google

Leave a Reply