which of the following correctly describes the relationship between a sample and a population?\na sample is…

which of the following correctly describes the relationship between a sample and a population?\na sample is a group of subjects selected from a population to be studied.\na population is a group of samples that may or may not be included in a study.\na sample is a group of populations that are subject to observation.\na population and a sample are not related.
Answer
Brief Explanations:
A sample is a subset of a population. It is selected to represent the population in a study. The other options mis - define the relationship.
Answer:
A. A sample is a group of subjects selected from a population to be studied