Examlex
Which of the following is/are true about natural selection?
Efficient Estimator
An estimator that achieves the lowest possible variance among all unbiased estimators for a parameter of interest.
Random Sample
A sample drawn from a population in such a way that every individual has an equal chance of being selected, ensuring the sample's representativeness.
Polling Technique
A method used in survey research to collect data from a target population by questioning a representative sample.
Monte Carlo
A statistical method utilizing random sampling to approximate the probability of certain outcomes in decision making or physical systems.
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