Examlex
To produce the same results as the MINUS operator,use NOT,the IN operator and a subquery.
Calculating Variance
The process of determining the spread or dispersion of a set of numbers by averaging the squared differences from the mean.
Description of the Population
Detailed characterization of the individuals or items in a population, including demographics or relevant characteristics.
Central Tendency
A statistical measure that identifies the middle or center of a distribution of data, commonly represented by the mean, median, or mode.
Mean, Median, Mode
Statistical measures where mean is the average of a dataset, median is the middle value, and mode is the most frequently occurring value.
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