A Manager Wants to Build 3-Sigma X-Bar Control Limits for a Process

question 100

Multiple Choice

A manager wants to build 3-sigma x-bar control limits for a process. The target value for the mean of the process is 10 units, and the standard deviation of the process is 3. If samples of size 9 are to be taken, what will be the upper and lower control limits, respectively?

• A) 19 and 1
• B) 16 and 4
• C) 13 and 7
• D) 4 and 16
• E) 7 and 13

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Definitions:

Medullary Cavity

The central cavity of bone shafts where yellow marrow (fat cells) is stored.

Dense Fibrous Connective Tissue

Type of connective tissue containing many collagen fibers packed together; found in tendons and ligaments, for example.

Spongy Bone

Type of bone that has an irregular, meshlike arrangement of thin plates of bone.

Osteons

Cylindrical structures that contain a central canal and form the fundamental functional unit of compact bone.