Which of the Following Types of Variables Cannot Be Included

question 24

Multiple Choice

Which of the following types of variables cannot be included in a fixed effects model?

• A)Dummy variable
• B)Discrete dependent variable
• C)Time-varying independent variable
• D)Time-constant independent variable

---

Definitions:

Waiting in Line

The experience of consumers waiting for service or products, often analyzed in operations management to improve efficiency.

Finite Population

A population set that contains a limited or fixed number of individuals, objects, or events that can be precisely defined and counted.

Average Service Time

The mean time that a service system or provider takes to complete a service for a customer, often used in assessing service efficiency and planning.

Time Between Service

The duration or interval of time between the completion of one service encounter and the beginning of the next, often used in the context of service operations management.