The Owner of a Local Nightclub Has Recently Surveyed a Random

question 11

Multiple Choice

The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club. She would now like to determine whether or not the mean age of her customers is more than 30. If so, she plans to alter the entertainment to appeal to an older crowd. If not, no entertainment changes will be made. Which of the following tests will you perform to help her make a decision?

• A) t test for the mean
• B) Z test for the proportion
• C) Pooled-variance t test
• D) Separate-variance t test

---

Definitions:

Effectiveness

The degree to which something is successful in producing a desired result or outcome; efficiency in achieving goals.

Employee-oriented

Describes management or leadership styles that prioritize the well-being, development, and engagement of employees over strict adherence to rules or production targets.

Leadership Style

The characteristic manner and approach of providing direction, implementing plans, and motivating people.

Work Environment

The physical and psychological conditions under which employees operate, affecting their health, well-being, and productivity.