Question: Given the following control chart, which problem is most likely? X-Bar Chart of Sample Means (44 centerline crossings) 2010 2005 .. . . . UCL


Given the following control chart, which problem is most likely? X-Bar Chart of Sample Means (44 centerline crossings) 2010 2005 .. . . . UCL ww . .+2 Sigma AAAAMY .+1 Sigma 2000 Centerline . ...... h-1 Sigma . . . -2 Sigma 1995 Sample 1990 1985 5 10 15 20 25 30 35 40 45 50 Sample Number O Instability O Cycle O Level shift O Oscillation
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