Answer:
Aggregating potential car buyers into groups that have common needs and will respond in the same way to a marketing campaign is a process known as:
Market segmentation.
Explanation:
Market segmentation is a marketing effort by a business entity to classify its customers into groups according to similar characteristics and based on Demographic, Psychographic, Geographic, and Behavioral segments. Market segmentation helps the entity to identify market opportunities, design products, time marketing efforts, select appropriate media, and efficiently allocate resources to achieve its marketing goals.
