A researcher uses an anonymous survey to investigate the television-viewing habits of American adolescents.Based on the set of 356 surveys that were completed and returned,the researcher finds that these students spend an average of 3.1 hours each day watching television.For this study,the set of 356 students who returned surveys is an example of a _______.
A)parameter
B)statistic
C)population
D)sample

Question

Quizplus · Accepted Answer

The set of 356 students who returned surveys is a subset of the larger group of American adolescents. Therefore, it represents a sample of the population and not the entire population (C). The average of 3.1 hours each day that these students spend watching television is a calculated value based on the responses of the sample, making it a statistic (B) rather than a parameter.

A Researcher Uses an Anonymous Survey to Investigate the Television-Viewing