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

question 31

Multiple Choice

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

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Definitions:

National Data Sets

Large-scale databases that collect and store data at a national level, often used for research, policy-making, and analysis.

Hierarchical Regression

A statistical method that allows for the examination of the incremental predictive power of independent variables added sequentially to a model.

Predictor Variable

In statistical analysis, it is a variable that is utilized to predict the score of another variable, often referred to as the outcome or dependent variable.

Criterion Variable

The dependent variable in an experimental design, which is influenced or predicted by other variables.