The Mean of the Sample Means and the Pooled Standard $\bar { x }$

question 44

Multiple Choice

The mean of the sample means and the pooled standard deviation of 50 samples of size 10 taken from a production process under control are found to be 225 and 16,respectively.The upper control limit for the $\bar { x }$ chart is:

• A) 231.79
• B) 240.18
• C) 218.21
• D) 209.82

---

Definitions:

Statement Of Action

A document or declaration outlining specific steps or measures that need to be taken in order to achieve a certain goal or objective.

Objectives

Specific, measurable, achievable, relevant, and time-bound goals set by individuals or organizations to direct effort and measure performance.

Concept

A general idea or understanding that is abstract and not specific to any particular instance.

Guideline

A recommended practice or direction that provides advice on how to make decisions or perform activities.