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For a DPU rate of 0.02120 determine Z equiv and Z~st~ Estimate the ppm defect rate...

For a DPU rate of 0.02120 determine Z equiv and Z~st~ Estimate the ppm defect rate - please how to do this in excel show all steps taken this is question 9.20.4 six sigma book implementing six sigma

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Expert Solution

The DPU rate is given as 0.02120. The table of standardized normal curve is used to find the value of Z-value from DPU.

from the standardized normal stable,

zequir value against DPU of 0.0212 is 2.03

   ZLT =Zequir=2.03

Zst=ZLT+1.5 SHIFT

=2.03+1.5

=3.53

The corresponding value of Zstfrom table S is 22750

The PPM rate is approximately 22.750

Hence , the ppm is 22,750.

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orchestra answered 2 years ago
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