Statistical operation that consists of taking a sample of a population in order to study one or more of its characteristics.
Example
We surveyed 39 students in grade 6 to find out which of these six colours was their favourite:
White – Orange – Yellow – Red – Black – Green
Here is the data collected:
Population studied: Students in grade 6
Sample: 39 students
Characteristic studied: Favourite colour
Here is the compilation table and the distribution of data according to frequency; this table illustrates the results of the survey:
