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Evaluate the integral .
Age
A measure of the amount of time that something or someone has existed, typically expressed in years.
Standard Deviation
A statistical measure that quantifies the amount of variation or dispersion of a set of data values from their mean.
Variability
The extent to which data points in a statistical distribution or data set differ from each other and from the overall mean of the set.
Index
A statistical measure or indicator that represents the variation or level of a specific phenomenon, often used in economics and finance.
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