Examlex
Which of the following SELECT statements will select the ItemNum and ItemDesc fields from the tblItems table?
Random Sample
A sample drawn in such a way that each member of the population has an equal chance of being selected.
Female Customers
A specific segment of the market made up of women or those identifying as female who purchase goods or services.
Standard Deviation
Standard deviation is a measure of the dispersion or spread of a set of numbers, indicating how much individual numbers in a dataset deviate from the mean or average.
Random Variable
A statistical variable whose outcomes are numeric and result from unpredictable events.
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