Examlex
Central planning of resource allocation:
Variance
A measure of variability that describes the spread of a data set or distribution, calculated as the average of the squared differences from the mean.
Population Parameter
A numerical value that represents a characteristic of an entire population, such as its mean or variance.
Sample Statistic
A numerical value calculated from a subset (sample) of a population, used to estimate the characteristics of the entire population.
Chebysheff's Theorem
A statistical theorem that provides a minimum probability for how much data falls within a certain number of standard deviations from the mean, applicable for any data distribution.
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