During variable control charting a trend of four
consecutive points is noted on both the
avera...
Engineering, 26.12.2020 14:00 oliviaicono14
During variable control charting a trend of four
consecutive points is noted on both the
average and range charts. The average chart is
increasing and the range chart is decreasing.
One may make which of the following
conclusions?
a. No conclusions may be made yet
b. The nominal measurement is increasing
c. The variability is decreasing
d. The process is improving
Answers: 2
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