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When will you prefer sampling instead of census?
It is a judgment call based on the accuracy required, time allotted and costs. If you need data quickly, at a reasonable cost and time (of course depending on how many individuals there are in the population), you would take a sample. If the population is a reasonable number that all individuals in the population could be used, then go for the census.
What is sample and population relationship?
The sample is a subset of the population. For example, the population may be all the people at your school. A sample might be 5 people from each class. There are different types of sampling methods. The most commonly used is a simple random sample. When your obtain data from the entire population this is called a census.
Why is a sample used more often than a population?
because it is simpler and more accurate
Why do you think a survey is used more often than a census?
A survey is used more often than a census because a census requires everybody to respond, while a survey only needs a few people. This means a survey is advantageous for many reasons:It doesn't matter if not everyone responds, you can just survey more people.It is much cheaper to survey than hold a census.It is less effort to hold a survey than hold a census.It takes less time to hold a survey than hold a census.
How is census data collected and used?
information on the census was collected by enternet or by ask, Google,answers.com
