Quality Control Charts Usually Have a Central Line and Upper

question 60

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) The behavior of the plots is erratic.
• C) A single point falls above or below the control limits.
• D) There is a change in raw materials or operators.
• E) There is a run of five above the central line.

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Definitions:

Correlated

A statistical relationship between two or more variables where a change in one is associated with a change in another.

Adaptability

The ability to adjust to new conditions or environments, showing flexibility in facing changes or challenges.

Mean Level Change

Mean level change refers to the statistical measure indicating the average change in a variable or set of variables over time within a given population.

Rank-Order Personality Consistency

The concept that while an individual's personality traits remain relatively steady over time, their comparative rank within a group may change.