make very simple defintions for these

fair
population
random sampling
unbiased

- Fair: Acting in a just and equitable manner without favoritism or discrimination.

- Population: The total number of people, animals, or things in a particular area or group.
- Random sampling: A method of selecting a sample from a larger population in which each member has an equal chance of being chosen.
- Unbiased: Showing no favoritism, prejudice, or influence towards any particular person, group, or outcome.