Which of the Following Statements Is True About Symbols Used

question 7

Multiple Choice

Which of the following statements is true about symbols used in the entity-relationship diagram?

• A) A line links an attribute to an attribute.
• B) An ellipse represents an attribute.
• C) A diamond represents an attribute.
• D) A square represents an entity.

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Definitions:

Direct Correlation

A positive relationship between two variables where an increase in one variable results in an increase in the other.

Indirect Correlation

A relationship between two variables where as one variable increases, the other decreases, and vice versa.

Correlation Coefficient

A quantitative metric that determines the strength and orientation of the link between two variables.

Study Time

The duration spent on academic or educational activities outside of formal classroom instruction, aimed at understanding or learning material.