A selection taken from a larger group (the "population") so that you can examine it to find out something about the larger group.

Example: you ask 100 randomly chosen people at a football match what their main job is. Your sample is the 100, and the population is all the people at that match.

Example: you ask 100 randomly chosen people at a football match what their main job is. Your sample is the 100, and the population is all the people at that match.

See: Population