Consists of a set of techniques and principles for systematically collecting, recording, analyzing, and interpreting data that can aid decision makers involved in marketing goods, services, or ideas.
a. marketing research
b. primary research
c. qualitative research
d. quantitative research

The correct answer is option A.

Explanation:

Marketing research refers to the set of techniques and principles for systematically collecting, recording, analyzing, and interpreting data that can aid decision-makers involved in marketing goods, services, or ideas.

It involves a number of steps such as defining the objectives and research needs, designing the research, collection of data.  

Marketing research is helpful in making decisions related to marketing goods, services and ideas.

what is the actual question i have no idea how to answer this w/o a question

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