document.write( "Question 148695: A parameter associated with a particular population needs to be estimated. Which of the following describes an unbiased estimator? (Select One)\r \n" );
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document.write( "1) an estimator that is equal to the value of the parameter \n" );
document.write( "2)an estimator that has an expected balue that is equal to the value of the parameter \n" );
document.write( "3) an estimator that has a value t hat approaches the value of th eparamter as the sample size increases \n" );
document.write( "4) an estimator that is not influenced by other estimators\r \n" );
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