Personal Databases Are Preferred for Database Applications That Retrieve and Manipulate

question 47

True/False

Personal databases are preferred for database applications that retrieve and manipulate small amounts of data from databases containing large numbers of records.

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean value.

Percentile Score

The percentage of people someone scores higher than on a scale or test; a score at the 90th percentile means someone scores higher than 90% of the people who took the scale.

Normal Distribution

A symmetrical bell-shaped distribution in which most of the data points cluster around the mean, with decreasing frequency toward the tails.

Mode

The value that appears most frequently in a given set of data, representing the most common outcome within that data set.