Final answer:
Marketers combine education, occupation, and income to create detailed demographic profiles for targeted marketing. Data shows a positive correlation between higher education and earnings, along with lower unemployment rates, aiding in understanding consumer behavior.
Step-by-step explanation:
When marketers combine education level with other data such as occupation and income, they are able to construct a detailed demographic profile. This kind of segmentation allows for more targeted marketing strategies that can be tailored to a specific audience's needs and preferences. The Bureau of Labor Statistics data suggests a positive correlation between earnings and education, which also indicates lower unemployment rates with higher levels of education and training. By combining these data points, marketers can better understand consumer behavior and potentially predict consumer spending patterns.