When a Marketing Researcher Who Is Performing an Exploratory Research

Multiple Choice

When a marketing researcher who is performing an exploratory research study has
Researchers ask people in a shopping mall which brand of television they own and why they purchased that brand,and asks the researchers to survey 10 shoppers who own the RCA brand,15 shoppers who own the Toshiba brand,and 12 shoppers who own the Panasonic brand,what type of sampling procedure is being used?

A) Simple random sample
B) Area sample
C) Systematic sample
D) Quota sample
E) Multi-stage area sample