Explain the Results Provided by the EXISTS,NOT EXISTS,and Double NOT

question 47

Essay

Explain the results provided by the EXISTS,NOT EXISTS,and double NOT EXISTS keywords.

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Definitions:

Estimates

Approximations or predictions based on statistical models or data analysis, often used when exact numbers are not available.

Appraisers

Professionals who assess the value of properties, artworks, antiques, and other items of value.

Degrees Of Freedom

The number of independent values in a statistical calculation that are free to vary when estimating some parameter.

Interaction

In statistics, the way two or more variables are related in such a manner that the effect of one variable on an outcome is dependent on the level or value of another variable.