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Re: SPC for Unilateral tolerance
The only difference is that one could only calculate a Ppk. This is the difference between the process average and the specification limit divided by 3 estimated standard deviations. That's about it.
One would have the same sample size -minimum 30 parts, etc.
The only difference is that one could only calculate a Ppk. This is the difference between the process average and the specification limit divided by 3 estimated standard deviations. That's about it.
One would have the same sample size -minimum 30 parts, etc.
Dear Sir ,
Mysefl Shivashankar from India , i have atatched few problem in excell shet which contains SPC quentioneries and request anyone can solve and send me back.
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