SAB7#82 SIGMA

malba76
Mind Map by malba76, updated more than 1 year ago
malba76
Created by malba76 about 6 years ago
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Mind Map on SAB7#82 SIGMA, created by malba76 on 08/21/2015.

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SAB7#82 SIGMA
  1. Is another name for standard deviation and indicates how much variance from the mean has been established as permissible in a process.
    1. The level of quality a company has decided to try to achieve is represented by 3 or 6 sigma.

      Annotations:

      • Six Sigma is a methodology for organizational process improvement and achieving high levels of correctness with extremely reduced variances.
      1. 1 Sigma: 68.27% = 308.500 defects in 1 million
        1. 2 Sigma: 95.45% = 66.800 defects in 1 million
          1. 3 Sigma: 99.73% = 2.700 defects in 1 million
            1. 4 Sigma: 99.9937% = 233 defects in 1 million
              1. 5 Sigma: 99.999943% = 6,210 defects in 1 million
                1. 6 Sigma: 99.9999998% = 3 o 4 defects in 1 million
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