Rich Runs a Home Improvement Business

Multiple Choice

Rich runs a home improvement business. He is happy with the level of business he receives, but he wants to learn more about his customers, so he studies information compiled by the U.S. census bureau and other government agencies, databases created by marketing research firms, and sales and other internal reports. What kind of data is Rich using in this scenario?

A) ethnographic data
B) complex data
C) simple data
D) primary data
E) secondary data