Examlex
Voids contain about what percentage of the universe's mass?
Correlation
A statistical measure that describes the degree to which two variables move in relation to each other.
Standard Deviation
A statistical measure that represents the dispersion or variability of a data set or investment returns around the mean.
Covariance
A measure of the degree to which two variables move in relation to each other. It can indicate if the movements are positively or negatively correlated.
Portfolio
A collection of financial investments like stocks, bonds, commodities, and cash equivalents owned by an individual or institutional investor.
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