The fact that the group of American adolescents are being used to research the viewing habits of all Americans, they are considered a Sample.
What is a Sample?
In this case, a sample is a smaller group of people that is derived from the larger group (population) in order to make inferences.
The smaller group in this instance is then 100 American adolescents and the larger group is the entire population of America.
In conclusion, this is a sample.
Find out more on samples at https://brainly.com/question/9910540.
