Final answer:
Demographic information is objective and easy to measure, including data like age, gender, and income level, unlike psychographic information, which is subjective and relates to attitudes and opinions.
Step-by-step explanation:
The student's question is about identifying the type of information that is objective and quantifiable. Among the options provided, c) Demographic information fits this description. Demographic information includes statistics such as age, gender, income level, race, ethnicity, employment status, and education level. Unlike psychographic information, which deals with attitudes, values, lifestyles, and opinions, demographic information can be precisely measured and is not influenced by personal subjectivity.