During Which Process Do You Typically Create an Entity-Relationship (E-R)

question 19

Multiple Choice

During which process do you typically create an entity-relationship (E-R) diagram?

• A)physical-level design
• B)troubleshooting user views
• C)information-level design
• D)maintenance

---

Definitions:

Direct Correlation

A statistical relationship between two variables where both variables move in the same direction.

Nondirectional Correlation

Nondirectional correlation describes the relationship between two variables without specifying whether the relationship is positive or negative, indicating only that a correlation exists.

Unidirectional Correlation

A correlation where an increase in one variable is consistently associated with an increase or decrease in another variable, without reversals in direction.

One-tailed Hypothesis

A hypothesis that specifies the direction of an expected difference or relationship, testing for the possibility of an effect in one direction only.