Merits: Quicker and cheaper than a census.
Demerits: Estimates for population parameters are only approximate. These can be quite poor if sample is unrepresentative.
Sample of an employee's survey about their manager? http://wiki.answers.com/FAQ/2603-156http://wiki.answers.com/FAQ/3613-55http://wiki.answers.com/FAQ/3991-36
A statistical study of a sample of individuals designed to collect information on specific subjects, such as buying habits or voting behavior.
Its the group of the people that the selected group that completes the survey represents. For example if a teacher randomly selected ten kids for a survey to see what a classes favorite movie is. The class would be the population of that survey. sources- 7th grade advanced math class, we just did surveys :) :) -J
The collection of information from a common group through interviews or the application of questionnaires to a representative sample of that group. if u want know my experience with surveys for cash from YouGov
Researchers define a "population" which consists of elements with defined characteristics. Example: All the matriculating students at Providence College. If the researcher studies the entire population as defined above, it is called a "census". If, on the other hand, the researcher takes a subset of the population, a sample, and studies it it will be a sample survey (or study in more general terms.)
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Merits-Everyone is Equal. Demerits-Everyone is Equal.