what is an statistical survey

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An staistical survey is atype of surevy queationnaire that are used to collect quatitaive information about items in a polpulation. Surveys of human populations and institutions are common in political polling and government health, social science and marketing research. A survey may focus on opinions or factual information depending on its purpose, and many surveys involve administering questions to individuals. When the questions are administerd by a researcher, the survey is called a structured interview.. when the questions are administerd by the respondent the survey is referred as a qusertionnaire.