Process Capability
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PROCESS CAPABILITY Estimation of Population from Sample Data The relationship between the population standard deviation () and the standard deviation of the subgroup averages ( x ) is n x Where: x – std. dev. of subgroup - pop. std. dev. of lot from which the sample size was drawn n - subgroup sample size
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Statistics - Process Capability
Transcript of Process Capability
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PROCESS CAPABILITYEstimation of Population from Sample Data
The relationship between the population standard deviation () and the standard deviation of the subgroup averages (x) is Where: x std. dev. of subgroup - pop. std. dev. of lot from which the sample size was drawn n - subgroup sample size