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Hummer Hummer
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6 years ago
Four samples of 100 each were taken from an assembly line, with the following results:
 
  Sample Number Number Defective
  1 6
  2 12
  3 2
  4 8
 
  Using the historical average as the central line of the chart, which one of the following is the limit
 
  for an attributes control chart with z = 2?
  A) UCL > 0.1 and LCL > 0.03
  B) UCL > 0.1 and LCL < 0.03
  C) UCL < 0.1 and LCL > 0.03
  D) UCL < 0.1 and LCL < 0.03
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789-you789-you
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6 years ago
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Hummer Author
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6 years ago
Thanks for your help!!
IvanaVR
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
emilyas19
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2 hours ago
Thanks
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