Answer:
E, Sample
Step-by-step explanation:
The complexity of the population during research gives rise to the need for dividing the population into a manageable group. A sample is a fraction of a population that represents the population during research. The sample reduces the population for the research and it must reflect the true character of the population.
There are a lot of moviegoers in the U.S and it will be impossible for the researcher to work with all. The selected movie goes selected refers to the sample of the population of moviegoers in the U.S