Answer:
Sample and population
Explanation:
Sample:
It is the actual population from that the sample has been collected. This is a population that participates in the study. This is the actual population that is interviewed by the researcher or that becomes part of your survey. The population that could not participate but part of the study is not the sample.
Population:
The population is at a wide range of that the result has been generalized. The sample is the sub-part of the population. The exact population depends on the scope of the study. The sample is a small portion of the population whereas the population is like an ocean.