A Quality Control Chart Is Used to Monitor the Customer

question 26

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. The last five sample means show a trend of increasing sample means. The process is ________.

• A)out of control
• B)in control
• C)improving
• D)showing chance variation

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Definitions:

Clarity

The quality of being coherent and intelligible, ensuring easy understanding.

Haemophilus Influenzae

A type of bacteria that can cause various infections, particularly in children, including pneumonia, meningitis, and ear infections.

Gram-positive

Refers to bacteria that retain the color of the crystal violet stain used in the Gram staining method, indicating a thicker peptidoglycan cell wall.

Gram-variable

Refers to bacteria that do not consistently stain as gram-positive or gram-negative because of variability in the structure of their cell wall.