Question About SPC

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October 23, 2020 at 3:35 pm #250573

gboopal
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From a perspective of Statistical Process Control (SPC), a six-sigma process will have which of the following attributes?

a) The USL and LSL will be separated by a distance of six sigma
b) The process center will be aligned with the LSL
c) The number of defects produced by the process will be 0.0018 parts per million
d) All of the above

note

we are tried asper log ( a) but unfortunately wrong

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October 24, 2020 at 11:17 am #250582

Chris Seider
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Consider looking up Z normal tables versus sigma and check out tables that don’t “shift” and then consider you will have SOME defect rate at both ends of the curve and add.

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