The correct answer is B. The U.S. census. Secondary data refers to information that has been collected by someone else for a different purpose than your current research. It is data that already exists and is readily available for analysis. Examples of secondary data can include historical records, government statistics, published research studies, and survey data collected by other organizations. In this case, the U.S. census is a prime example of secondary data as it is conducted by the government and provides demographic and socio-economic information about the population. To determine the correct answer, it is important to understand the concept of secondary data and choose the option that aligns with the definition.
