Dr West Wanted to Know About the Media Preferences of All

question 84

Multiple Choice

Dr. West wanted to know about the media preferences of all students at Western University. The student body is 60 percent female and 40 percent male. So he conducted a survey in which 60 percent of the participants were women and 40 percent were men. In this study, Dr. West has used

• A)a population measure
• B)archival data
• C)stratified random sampling
• D)an unrepresentative sample
• E)Internet sampling

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Definitions:

Broad Absorption

A phenomenon where a material or molecule absorbs a wide range of wavelengths or frequencies.

IR

Short for Infrared Spectroscopy, a technique used to identify and study chemicals by analyzing the infrared light absorbed by molecules.

Carbonyl

A functional group characterized by a carbon atom double-bonded to an oxygen atom (C=O), central to many organic reactions and compounds.

Infrared Radiation

A form of electromagnetic radiation with longer wavelengths than visible light, used in heating and imaging technologies.