Data types in statistics.

Qualitative data.

Also known as categorical data, qualitative data cannot be measured numerically because it is not discrete. There’s no clear and repeatable space between each of its values.rT2

Quantitative data.

Numerical data is discrete and has a clear definition of how its units are measured.rT2


  1. Shin Takahashi, The Manga Guide to Statistics (San Francisco: No Starch Press, 2009). (See notes.)

  2. Shin Takahashi, The Manga Guide to Statistics (San Francisco: No Starch Press, 2009). (See notes.)