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math definitions 8B
Term | Definition |
---|---|
Census | A survey of all people in a population. |
Sample | A sample is only part of a population, but it is used for an entire population to make predictions. |
Representative Sample | A sample that represents the entire population in a smaller percentage. |
Random Sample | A sample that is taken without the surveyor knowing who will be in the sample. If the sample is truly random it can represent the population. |
Biased Sample | A sample that may give misleading results due to people voting in a way that will benefit them |