A sample is a small portion of the entire data set. It is used to represent the larger group so that analyzing the data can be done much more quickly and easily. A sample is selected according to a defined procedure and is used in statistical methodology and quantitative research.

Let’s say you want to know how the inhabitants of a city feel about tattoos. You can talk to each and every one of them, but this would take much time and effort. Instead, you can take a small representative group of people and work on this sample of the population.

**Other interesting terms…**