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Clustering Allows for Adjacent Secondary Memory Locations to Contain Rows

question 69

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Clustering allows for adjacent secondary memory locations to contain rows from several tables.


Definitions:

Skewed Distribution

A statistical term describing an asymmetry from the normal distribution in a set of data, where the tail on one side of the peak is longer or fatter than the other.

Statistically Significant

A determination that a result from data analysis is unlikely to have occurred by chance, suggesting a real effect or difference is present.

Standard Deviations

A measure of the dispersion or variability within a set of numerical data, indicating how much variation there is from the average (mean).

Sample Averages

The mean value calculated from a sample set of data, representing the central tendency or typical value of that sample.

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