For a Control Chart, the Lower and Upper Control

question 30

Multiple Choice

For a control chart, the lower and upper control limits are usually set at:

• A) one standard deviation from the centerline
• B) two standard deviations from the centerline
• C) three standard deviations from the centerline
• D) four standard deviations from the centerline
• E) five standard deviations from the centerline

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Definitions:

Nasopharynx

The upper part of the pharynx, connecting the nasal cavity above the soft palate to the oropharynx.

Oropharynx

Portion of the pharynx that lies posterior to the oral cavity; it is continuous above with the nasopharynx and below with the laryngopharynx.

Laryngopharynx

Part of the pharynx lying posterior to the larynx.

Saliva

A clear liquid secreted by the salivary glands in the mouth, which aids in digestion and keeps the mouth moist.