Question

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 the surveys is an example of a _______.a. parameter b. statistic c. population d. sample

Answer 1

Option b) Sample

Explanation:

We are given the following in the question:

Survey:

356 surveys on television-viewing habits of American adolescents.

Result:

Average of 3.1 hours per day.

Population and sample:

• Population is a collection of all the possible observation of individuals or variable of interest.
• A sample is always a part of the population.
• It is a subset of population.

For the given survey, those who responded to the survey forms a a sample as it is a part of 356 surveys that is a subset of population.

The correct answer is

Option b) Sample