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how to calculate present six sigma value

Six Sigma – iSixSigma Forums Old Forums General how to calculate present six sigma value

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  • #29195

    MM
    Participant

    Can sombody please guide me as to how should i calculate my present 6sigma value from say for example following value…following are the data of wells drilled in a yearS.No. Well Depth Rig Bldg Days1. 1100 4
    2. 1100 5
    3 1100 7
    4 1100 5
    5 1100 6
    6 1100 4
    7 1100 4
    8 1100 6
    9 1100 5
    10 1100 5norms for rig bldg is say 5 daysnow after calculating sigma value.. how should i set new standard.. for reducing rig bldg days.. ofcourse this cannot be reduced below a certain value..i may be little vague.. but u know this is initial stage of learning 6sigma…thanks.

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    #74096

    poreddy narsi reddy
    Participant

    I think we need to know the Target or specification limit or benchmark to calculate process performance analysis for our baseline. then only we can set new standard for this process.
    Please let me also know how we can calculate present six sigma value for this present process

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    #74104

    abasu
    Participant

    if >5 days is defined as a defect, there are 3 defects in 10 opportunities.  The Zinitial for this project = 2.02 assuming a Zshift of 1.5

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