zoeyfyi / StatsNotes

Notes for SS1 - SS6
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Estimators #87

Open tpb1908 opened 7 years ago

tpb1908 commented 7 years ago

Review of the concepts of a sample statistic and its sampling distribution, and of a population parameter.

Estimators and estimates. Properties of estimators. Unbiasedness, consistency, relative efficiency.

Mean and variance of pooled estimators of means and proportions. Proof that   2 2 E S  .