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SIGMA Calculator formula

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  • #38142

    howe
    Participant

    I have been looking for the formula that derives the Sigma value from parts per million defective. I have found plenty of tables and of course there is the Sigma Calculator on this site. But what I am looking for is the formula that produces those values.

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    #113783

    LSS BB Banking
    Participant

    Please provide an email address and will forward you an excel template with the definitions and formulas.

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    #113786

    howe
    Participant
    #133318

    Alfonso Gonzalez
    Participant

    Can you provide me, the excel sheet that you offer to one of the persons that ask for a six sigma calculator format and formulas.
     
    thanks.

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    #133320

    Savage
    Participant
    #133322

    Anoop
    Participant

    Are you Matt Dailey from Ohio ?
    mail me at [email protected] if you are
     

    0
    #133324

    Savage
    Participant

    Sorry – I’m in Phoenix.

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    #133332

    J Castagna
    Participant

     
    Hi
    Is this the xls formula you are looking for?  Or do you really want the DPMO formula?
    Hope this helps – Cheers Justin
     
    Sigma Process Calculator using Excel

    DATA
    (Unless specified)

    DPMO
    Per yellow (Cell C10)

    Std Dev
    1

    Mean
    0

    DESCRIPTION
    RESULT
     
    FORMULA

    DPMO
    126,000

    SIGMA SCORE (per table)
    2.6455

    =NORMSINV(1-$B$2/10^6)+1.5

    where B2 = DPMO

    SIGMA SCORE (no shift Adj)
    1.1455

    =NORMSINV(1-$B$2/10^6)

    where B2 = DPMO

    Long Term Yield
    0.8740

    =NORMDIST($C$16,$F$5,$F$4,1)

    Where C16 = sigma score

    Where F5 = Mean

    Where F4 = Std Dev

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    #145406

    Arevalo, Maria Kathyrine
    Participant

    I have been looking for the formula that derives the Sigma value from parts per million defective. I have found plenty of tables and of course there is the Sigma Calculator on this site. But what I am looking for is the formula that produces those values

    0
    #145411

    keyhan
    Participant

    dear sir/ madam
    I have a program in excel that it calculate sigma by determinnig CTQ
    PMO ,DPMO and finaly sigma please contact me for this program with [email protected]
     
    best regards
    keyhan abbasian

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    #145413

    BB
    Participant

    BS In = BS Out

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    #145420

    Eric Maass
    Participant

    Maria Kathyrine,
    The formula / algorithm used in the Sigma Calculator was given in a reply to a similar question some time ago:
    https://www.isixsigma.com/forum/showthread.asp?messageid=437

    0
    #184021

    bogdan
    Participant
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