Random Samples of Four Items Are Selected from a Manufacturing

question 84

Multiple Choice

Random samples of four items are selected from a manufacturing process at regular intervals and a certain quality characteristic is measured. After 25 samples, ΣX = 15,350 and ΣR = 411.4. To construct a mean chart, what is the upper control limit (UCL) for the mean?

• A) 614.00
• B) 411.4
• C) 625.996
• D) 3837.5

---

Definitions:

Approaches

Methods or strategies used to address problems or achieve goals.

Wellness Program

A structured plan or initiative designed to promote healthy living and improve health outcomes among participants, often implemented by employers.

Organization

Describes an arranged group of people and systems structured to meet a goal or a set of goals, often in a business or institutional context.

Personality Dimensions

Fundamental categories or aspects that describe and differentiate individual personalities, such as openness, conscientiousness, extraversion, agreeableness, and neuroticism.