Labels:text | screenshot | line | font | number | plot | parallel | diagram OCR: TOO COMMON $45 35 Upper control limit 30 Mistake 2: Ignore this point, likely to constitute' 25 a special cause of variation; 20 15 10 Mistake 1: Assume that this - > point constitutes special cause variation. 5 Lower control limit 11 16 21 26 30 Figure 1: This sample control chart illustrates two common errors found when dealing with
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