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    Software Testing

    Six Sigma Defect Metrics

    Overview

    In this tutorial, we will learn about Six Sigma Defect metrics. Some of the defect metrics are as follows:

    • Proportion Defective
    • Yield
    • DPU(Defects Per Unit)
    • DPO(Defects Per Opportunity)
    • DPMO(Defects Per Million Opportunities)

    Proportion Defective (p)

    Proportion Defective(p) = Number Of Defective Units / Total Number of Production Units

    Yield

    Yield  = (Total Number of Product Units – Number Of Defective Units )/ Total Number of Production Units

    or

    Yield(Y) = 1 – p

    Defects Per Unit( DPU)

    Defects per unit(DPU)= Total Number Of Defective Units/ Total Number Of Production Units

    Defects Per Opportunity(DPO)

    Defects Per Opportunity(DPO) = Total Number Of Defective Units / (Total Number Of Production Units *  Number Of  Defect Opportunities Per Unit)

    Defects Per Million Opportunities (DPMO)

    Defects Per Million Opportunities(DPMO) = DPO * 1,000,000

     

    That’s it. We have successfully learnt about Six Sigma Defect metrics.

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