Multiple Choice
Which of the following is CORRECT regarding an x-chart?
A) Individual data require averaging before being plotted on it.
B) It is less sensitive to many conditions that can be detected by -chart and R-chart.
C) Specification limits cannot be drawn on the chart for direct comparison with the control limits.
D) The assumption of normality of observations is less critical than for -chart and R-charts.
Correct Answer:

Verified
Correct Answer:
Verified
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