Which of the following represents a population and a sample

Which of the following represents a population and a sample from that population?

A) Residents of Albany, New York, and registered voters in Albany, New York
B) Teachers in a high school and members of the parent teacher group
C) Fans at a oncert who purchased t-shirts and fans at a concert who purchase soda
D) Freshman at St. Joseph\'s University and basketball players at St. Joseph\'s University

Solution

Note that a sample is strictly a subset coming from a population. All elements in the sample must come from the population.

Thus, it is only

A) Residents of Albany, New York, and registered voters in Albany, New York [ANSWER]

which satisfies that condition.