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a . Statistical Tlerancing increases FTY above that of Worst Case Tolerancing. b . Pbar is equal to the variance of the process distribution. c
a Statistical Tlerancing increases FTY above that of Worst Case Tolerancing.
b Pbar is equal to the variance of the process distribution.
c In an Xbar Chart, UCLX is always less than the Upper Specification Limit USL
d If Cpk the process mean is not within the specification limits
e Reducing assembly parts counts through DFM increases OFDs
f Defects add in a multistep manufacturing process.
g In Worst Case analysis, the probability of parts interference is always
h For Cpk C charts are preferred for Statistical Process Control.
i FTYDPU is a generally acceptable approximation for DPUs
j The MTM method is generally usable only in the Manufacturing Stages.
k Reducing the sigma of a process always increases the Cpk
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