The Control Limits for an X-Bar Chart Are How Many

question 18

Multiple Choice

The control limits for an x-bar chart are how many standard deviations above and below the process mean?

• A) one
• B) two
• C) three
• D) four

---

Definitions:

Physical Units

A measure used in manufacturing and production to count the actual units produced, irrespective of the production stage.

Units Started

The number of units of product that have begun the production process but are not yet completed.

Units Accounted

The total count of units tracked in an inventory or production system, including those produced, sold, and currently in stock.

Ending Work

The value of goods that are still in production at the end of an accounting period, also known as work-in-process.