A Survey is the gathering of information. Asking a group to respond to one or more questions is an example of a survey which is a type of observational study.
What is a survey?
A survey is a collection of question asked to a random group of people who represent the entire population, the responses of the group is assumed to be valid for the entire population.
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Asking a group to respond to one or more questions is an example of a survey which is a type of observational study.
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