Examlex
The Globally Harmonized System of Classification and Labeling of Chemicals
Symbols
Characters or marks used to represent objects, ideas, or actions within a particular context, such as mathematics, literature, or everyday life.
Population
The entire collection of individuals or items under consideration in a statistical study.
Sample Variance
The measure of the dispersion of sample data points around the sample mean, estimating the population variance.
Population Variance
A measure of dispersion that shows how much the members of a population differ from the population mean.
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