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Unformatted text preview: Estimators of population parameters are sometimes distinguished from the true value by using the symbol 'hat'. For example, true population standard deviation is estimated from a sample population standard deviation. Again, the usual estimator of the population mean is = x i / n, where n is the size of the sample and x 1 , x 2 , x 3 ,....... ,x n are the values of the sample. If the value of the estimator in a particular sample is found to be 5, then 5 is the estimate of the population mean ....
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This note was uploaded on 10/04/2011 for the course ECO 6416 taught by Professor Staff during the Spring '08 term at University of Central Florida.
 Spring '08
 Staff

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