Entities Are

question 104

Multiple Choice

Entities are

• A)nouns that are depicted by rectangles on an entity relationship diagram
• B)data that describe the characteristics of properties of resources
• C)associations among elements
• D)sets of data needed to make a decision

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Definitions:

Standard Deviations

Measures that express the variability or spread in a set of data from its mean, showing how much variation there is from the average.

Normal Curve

A symmetrical, bell-shaped curve representing the distribution of a set of data where most occurrences take place in the middle of the range and taper off toward either end.

Z Score

A statistical measurement that describes a value's relationship to the mean of a group of values, expressed in terms of standard deviations from the mean.

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean.