What can the results of a mass survey indicate about the population?

The correct answer highlights that the results of a mass survey can effectively capture the collective opinions of the public. Mass surveys are designed to gather data from a large number of participants, which allows researchers to analyze trends, sentiments, and general viewpoints within a specific population. By aggregating responses from a diverse sample, these surveys provide insights into what the majority thinks or feels about relevant issues, policies, or social phenomena.

In contrast, while individual interests or specific needs of political candidates can be gleaned from a mass survey, they do not represent the overall view of the population as a whole. Additionally, a mass survey may not accurately reflect the accuracy of historical data, as the focus is primarily on current opinions and sentiments rather than retrospective analysis. Thus, the essence of mass surveys lies in their ability to reveal the public's collective opinions, making this choice the most appropriate.