Answer:
The answer is Sample Group.
Step-by-step explanation:
A sample group is a small group selected by researchers to represent the most important characteristics of an entire population.
A sample group can be defined as the subset of a population. Basically researchers target a small group of population in order to have information about the whole population.
For example, we can ask the random 100 people present at a football match about their jobs and interests. Here Sample is 100 people, whereas the population is all the people in the stadium.