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Estimator


 

In statistics, an estimator is a function of the known sample data that is used to estimate an unknown population parameter; an estimate is the result from the actual application of the function to a particular set of data. Many different estimators are possible for any given parameter. Some criterion is used to choose between the estimators, although it is often the case that a criterion cannot be used to clearly pick one estimator over another.

Related Topics:
Statistics - Function - Parameter - Set

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There are two types of estimators: point estimators and interval estimators.

Related Topics:
Point estimator - Interval estimator

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