0:00 Review of Last Class: Estimate vs. Estimator vs. Population
8:13 Properties of Estimators: Bias, Accuracy, Precision
20:45 Definition of an unbiased estimator
24:00 Example to determine if an estimator is unbiased
33:53 Definition Variance and Mean Square Error of an Estimator
46:51 Introduction to Simple Random Sampling: SRS vs. SRSWR

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