Scenario A: A coach assigns a number to each one of his players and randomly draws three numbers. The students to whom those numbers are assigned will represent the team on the stage at the pep rally. This is an example of .

Each player is assigned a number, and three numbers are drawn at random from the full set. This gives each group of three players an equal chance of being selected, which is simple random sampling. Cluster sampling would select whole groups rather than individual players.

AI-written and checked against the verified answer.