Examlex
Brain overflow occurs when there is a migration of highly educated and trained people from poor countries to rich countries.
Null Hypothesis
The default hypothesis that there is no effect or no difference, and any observed difference is due to sampling or experimental error.
Population Proportions
A statistical measure that indicates the fraction of the population possessing a particular attribute or characteristic.
Normal Approximation
The process of using the normal distribution as an approximation for another distribution, commonly applied when the sample size is large.
Binomial
A type of probability distribution with two possible outcomes, used to model situations with fixed numbers of trials and the same probability of success.
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