Page 428 - Six Sigma Advanced Tools for Black Belts and Master Black Belts
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           August 31, 2006
                          3:10
 JWBK119-IND
                                         Index                               413
      transient, 37, 224,                   V
      treatment factors, 79, 239, 251--252  value-added, 59, 95
      two-parameter exponential, see exponential  variability, 5, 57--58, 73, 75--77, 113--114, 116,
          distribution                          127, 200--202, 206, 251, 278, 280, 307
      type I error, see error               variance components, 73, 82--83
      type II error, see error              variance-covariance, 309
                                            V-mask, 371--382, 388--390, 393
      U                                     voice of the customer, 42
      unbiased estimator:
        error variance, 231                 W
        p, 327                              wafer, 74, 81--83
        population standard deviation, 79   Weibull distribution:
        population variance, 77--78           distribution, 114--116, 123--124, 127, 137
        s/c 4 ,79                             three-parameter, 137, 139
        variability, 73                     weighted variance, 108, 110, 127
      uniformity, 24, 283--284              Wright’s process capability index, 113, 127
      unimodal, 216
      unreplicated, see replication         Z
      unstable, 253                         zero defects, 5, 21, 212, 221
      upstream, 22, 23, 41--42, 269         z-statistic, 184, 186, 391
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