Auxiliary lines drawn on a control chart for accomplishing pattern analysis are called ___________ boundaries.
A) sigma
B) range
C) zone
D) mean

Question

Quizplus · Accepted Answer

The auxiliary lines drawn on a control chart for pattern analysis are called zone boundaries. These boundaries are used to identify specific patterns or trends in the data that may indicate a problem with the process. The other options, such as sigma, range, and mean, are also important concepts in statistical process control, but they are not directly related to the use of zone boundaries for pattern analysis on a control chart.

Auxiliary Lines Drawn on a Control Chart for Accomplishing Pattern