Monday, December 23, 2019

DATA

What is Data?

Data is a collection of facts, such as numbers, words, measurements, observations or even just descriptions of things.

Qualitative vs Quantitative

Data can be qualitative or quantitative.
  • Qualitative data is descriptive information (it describes something)
  • Quantitative data is numerical information (numbers)
Types of Data
Quantitative data can be Discrete or Continuous:
  • Discrete data can only take certain values (like whole numbers)
  • Continuous data can take any value (within a range)

More Examples

Qualitative:
  • Your friends' favorite holiday destination
  • The most common given names in your town
  • How people describe the smell of a new perfume
Quantitative:
  • Height (Continuous)
  • Weight (Continuous)
  • Petals on a flower (Discrete)
  • Customers in a shop (Discrete)

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