Final answer:
Pollsters are the individuals responsible for conducting public opinion polls, which gather data on the public's opinion on different issues and candidates. The correct option is A.
Step-by-step explanation:
People who conduct public opinion polls are called pollsters. They are involved in designing accurate and scientific polls that aim to reflect the opinions and attitudes of a specific group or population. Pollsters ensure that the sample is random and representative, and they utilize statisticians and social scientists to reduce errors and achieve lower margins of error.
The information collected helps politicians, policy specialists, and journalists understand the public's stance on various issues and candidates, shaping political strategies and decisions.