Examlex
How can queries be written to perform the fastest when equality and inequality comparisons are needed?
Standard Deviation
A statistic that measures the dispersion or variability of a dataset relative to its mean.
Standard Deviation
An indicator of the spread or fluctuations in a data set, showing the degree to which the data points deviate from the average value.
Parameter
A numerical characteristic of a statistical population, such as a mean or standard deviation, that describes some aspect of the population.
Simple Random Sample
A sample in which each member of the population has an equal chance of being selected.
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