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The language model by Dronkers, Pinker, and Damasio proposes an implementation system composed of
Mean
A statistical measure that calculates the average value of a set of numbers by dividing the sum of all values by the number of values.
Median
The middle value in a dataset when it is ordered from smallest to largest, or the mean of the two middle numbers if there is an even number of values.
Sample Variance
A measure that quantifies the degree to which sample points in a dataset differ from the sample mean.
Population Variance
A measure of the dispersion of individual values in a population around the mean of the population.