Quality Control Charts Usually Have a Central Line and Upper

question 47

Multiple Choice

Quality control charts usually have a central line and upper and lower control limit lines.Which of the following is not a reason that the process being monitored with the chart should be investigated?

• A)A large number of plots are close to the upper or lower control lines
• B)Erratic behavior of the plots
• C)A single plot falls above or below the control limits
• D)A change in raw materials or operators
• E)A run of five above the central line

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Definitions:

Trophic Level

The position an organism occupies in a food chain, based on its feeding relationships, ranging from primary producers to apex predators.

Ecosystem

A community of interacting organisms and their physical environment.

Community

A group of interacting living organisms sharing a populated environment.

Opportunistic

Organisms or pathogens that take advantage of certain conditions to cause disease, often seizing on weakened immune systems.