Database Management Systems _____

question 14

Multiple Choice

Database management systems _____.

• A)are used to create, organize, and manage databases
• B)improve routing and delivery schedules of databases
• C)are written for specific database applications
• D)include transaction-processing reports for database analysis

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Definitions:

Frequency Polygon

A graphical representation of the distribution of numerical data. It is a line graph of class frequencies plotted against mid-point values.

Normal Distribution

A bell-shaped distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence.

Outliers

Data points that significantly differ from other observations in a dataset, potentially indicating a measurement error or a different underlying process.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, aiming to provide a description of the set’s overall behavior.