Numerical data
Data
Continuous data
Categorical data
Discrete data
Sample
Census
Data is given in number form
can only take certain values (like whole numbers). It is counted
a collection of facts, such as numbers, words, measurements, observations or just descriptions of things.
can take any value (within a range). It is measured
when we collect data for every member of the group (the whole "population").
a particular quality or characteristic. can be divided into categories
when we collect data just for selected members of the group.