The correct answer is: a) Conducting door-to-door surveys.
Enumerators are responsible for conducting door-to-door surveys. They collect data from households and businesses by asking questions about a variety of topics, such as demographics, income, and spending habits. Enumerators must be able to communicate effectively with people from all walks of life and be able to handle difficult situations. They must also be able to work independently and meet deadlines.
Option b) Verifying data is the responsibility of data entry clerks. Data entry clerks enter the data collected by enumerators into a computer database. They must be able to type accurately and quickly, and they must be able to follow instructions carefully.
Option c) Training volunteers is the responsibility of volunteer coordinators. Volunteer coordinators recruit, train, and supervise volunteers. They must be able to motivate and inspire volunteers, and they must be able to manage a team effectively.
Option d) Supervising field operations is the responsibility of field supervisors. Field supervisors oversee the work of enumerators and data entry clerks. They must be able to manage a team effectively, and they must be able to resolve problems that arise in the field.