Answer: Option (A) is correct
Step-by-step explanation:
Surveys are known to be or referred as a field of the discipline of applied statistics, survey methodology tends to study sampling of an individual unit from its population and thus associated techniques of collection of survey data, example construction of questionnaire and also methods for developing and improving number and the accuracy of answer.
On the other hand an opinion poll is referred to as or known as a survey or a poll, is defined or described as a research survey (human) of the generally opinion from a specific sample.