In a Time Study,what Is the Required Sample Size to Be

question 11

Essay

In a time study,what is the required sample size to be 95% confident that the observed average time is within ± 2% of the actual value,if the process has a standard deviation of 1 minute and mean of 50 minutes?

---

Definitions:

Heterogeneous

Consisting of elements or parts that are different from each other; diverse in character or content.

Procedural Fairness

Refers to the customer’s perception of the fairness of the process used to resolve complaints about service.

Zone of Tolerance

The zone of tolerance refers to the range within which customers are willing to accept variations in product or service delivery quality, influencing satisfaction and loyalty.

Desired Service

A specific assistance or function that consumers or clients seek to fulfill their needs.