What Does an Ellipse Represent in an Entity-Relationship Diagram

question 40

Multiple Choice

What does an ellipse represent in an entity-relationship diagram?

• A) Relationship
• B) Attribute
• C) Entity
• D) Activity

---

Definitions:

P-value

A measure in statistics that helps to determine the strength of the results in hypothesis testing, indicating the probability of observing data at least as extreme as the data actually observed, under the assumption that the null hypothesis is true.

Standardized Test

A test administered and scored in a consistent manner to ensure uniformity across different test takers or groups.

Test Statistic

A calculated value from sample data used to make decisions about the validity of a hypothesis.

Two-tail Test

A statistical test where the critical area of a distribution is two-sided and tests whether a sample is greater than or less than a certain range of values.