Statistical operation conducted with a representative sample of a population in order to study one or more of its characteristics.
Example
We surveyed 39 Grade 6 students to find out which of the following six colours was their favourite:
white, orange, yellow, red, black, green
Here is the data collected:
Study population: Grade 6 students
Sample: 39 students
Characteristic studied: Favourite colour
Here is the compilation table and the distribution of data according to the frequency of the survey: