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Administrative Studies
Course Code
ADMS 2320

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Point estimator: draws inferences about a population by estimating the value of an unknown parameter using a single point or value Interval estimator: an interval estimator draws inferences about a population by est. The value of an unknown parameter using an interval. Unbiased estimator: an UE of a population parameter is an estimator whose EV is equal to that parameter Consistency: an unbiansed estimator is said to be consistent if the difference between the estimator and the parameter grows smaller as the sample size grows larger Relative Efficiency: if there are two unbiased estimators of a parameter, the one whose d.f = Nd-1 variance is smaller is said to have RE. Type1: an incorrent decision when H0:true.
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