A theme park has many attractions, one of which is the roller coaster. Are the people who ride the roller coaster the population, or a sample, of the theme park? Explain.
Population. They are all the people at the theme park.
Sample. They are a subset of all the people at the theme park.
Both population and sample. They are all the people at the theme park.
Neither population nor sample. They are not the people at the theme park.