Examlex
Write an essay on the difference between the OLS estimator and the GLS estimator.
Discrete Random Variables
Variables in statistics that can take on a countable number of distinct values and are not continuous.
Simple Random Sample
A subset of individuals chosen from a larger set such that every individual has an equal chance of being selected.
Sample Proportion
The fraction of observations in a sample that belong to a certain category, serving as an estimate of the proportion in the population.
Bias
A systematic error or deviation from the truth in results or inferences.
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