A Quality Control Chart Is Used to Monitor the Customer

question 52

Multiple Choice

A quality control chart is used to monitor the customer wait time at a local call center. Sample means of five times are averaged and plotted over time. Over the last hundred sample means, one sample mean was outside a control limit. The chart shows:

• A) chance variation.
• B) standard variation.
• C) assignable variation.
• D) total variation.

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Definitions:

Sensory Organ

A specialized part of the body that processes input from the environment, such as eyes for vision, ears for hearing, and skin for touch.

Synesthesia

A brain disorder characterized by the automatic and involuntary activation of a secondary sensory or cognitive pathway following stimulation of a different sensory or cognitive pathway.

Pupil

The adjustable opening in the center of the eye through which light passes to reach the retina.

Nearsightedness

A common vision condition where objects nearby are seen clearly, but objects farther away are blurred.