The variance of 
is ____________________.
Definitions:
Standard Deviation
An indicator that measures the level of disparity or distribution of values in a dataset from its mean.
Sampling Distribution
The probability distribution of a given random sample-based statistic.
Sample Statistics
Measures or values calculated from a sample of data used to estimate population parameters.
Population Parameters
Quantitative characteristics or attributes defining a whole population, such as mean or standard deviation.
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