Match the ERD Symbols to the Definition

question 75

Short Answer

Match the ERD symbols to the definition.
A)Entity relationship
B)Entity identifier
C)Relationship cardinality
D)Entity
E)Entity Attributes
-

• A)Entity relationship
• B)Entity identifier
• C)Relationship cardinality
• D)Entity
• E)Entity Attributes -

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Definitions:

Z-score

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

Mean

A statistical measure representing the average value of a set of numbers, calculated by dividing the sum of all values by the count of values.

Z-score

A statistical measure representing the number of standard deviations a data point is from the mean of the dataset, often used in standardizing scores.