Examlex
Endorphin levels decrease considerably when an animal or a person is afraid or under stress.
F-Distribution
A probability distribution used in analysis of variance that helps to determine if the means of several populations are equal.
Normal Population Variances
The variances of populations that follow a normal (Gaussian) distribution.
F-Distribution
A statistical distribution used primarily in the analysis of variance (ANOVA), describing ratios of variance across different datasets.
Random Samples
A sample drawn from a population in such a way that every member of the population has an equal chance of being included.
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