{"id":5461,"date":"2023-11-29T16:43:55","date_gmt":"2023-11-29T16:43:55","guid":{"rendered":"https:\/\/masterskills.org\/blog\/?p=5461"},"modified":"2023-12-21T11:01:39","modified_gmt":"2023-12-21T04:01:39","slug":"cong-thuc-tinh-6-sigma-ma-doanh-nghiep-nao-cung-can-biet","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/cong-thuc-tinh-6-sigma-ma-doanh-nghiep-nao-cung-can-biet.html","title":{"rendered":"C\u00f4ng th\u1ee9c t\u00ednh 6 Sigma m\u00e0 doanh nghi\u1ec7p n\u00e0o c\u0169ng c\u1ea7n bi\u1ebft"},"content":{"rendered":"

6 Sigma l\u00e0 g\u00ec?<\/b><\/span><\/h2>\n

Kh\u00e1i ni\u1ec7m\u00a0\u201d6 Sigma\u201d l\u00e0 g\u00ec<\/i>\u00a0\u0111\u1ea7u ti\u00ean kh\u00f4ng ph\u1ea3i do Jack Welch \u2013 vi\u1ebft l\u00ean m\u00e0 ch\u00fang\u00a0\u0111\u01b0\u1ee3c Motorola ph\u00e1t tri\u1ec3n v\u00e0o nh\u1eefng n\u0103m 1980 v\u00e0\u00a0\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt \u0111\u1ec3 c\u1ea3i thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a h\u1ecd. Cho \u0111\u1ebfn n\u0103m 1995, kh\u00e1i ni\u1ec7m 6 Sigma n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c Jack Welch s\u1eed d\u1ee5ng nh\u01b0 chi\u1ebfn l\u01b0\u1ee3c kinh doanh c\u1ed1t l\u00f5i c\u1ee7a General Electric. N\u0103m 2011,\u00a0T\u1ed5 ch\u1ee9c ti\u00eau chu\u1ea9n h\u00f3a qu\u1ed1c t\u1ebf\u00a0ISO \u0111\u00e3 xu\u1ea5t b\u1ea3n b\u1ed9 ti\u00eau chu\u1ea9n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh l\u01b0\u1ee3ng Six Sigma nh\u1eb1m n\u00e2ng cao quy tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a doanh nghi\u1ec7p.<\/p>\n

Six Sigma (6 Sigma, hay 6\u03c3) l\u00e0 m\u1ed9t h\u1ec7 ph\u01b0\u01a1ng ph\u00e1p c\u1ea3i ti\u1ebfn quy tr\u00ecnh kinh doanh v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch d\u1ef1a tr\u00ean th\u1ed1ng k\u00ea \u0111\u1ec3 t\u00ecm ra l\u1ed7i (khi\u1ebfm khuy\u1ebft), x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n c\u1ee7a l\u1ed7i v\u00e0 x\u1eed l\u00fd l\u1ed7i nh\u1eb1m l\u00e0m t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a quy tr\u00ecnh.\u00a0Ch\u01b0\u0303 Sigma (\u03c3)\u00a0theo ky\u0301 t\u01b0\u0323 Hy La\u0323p \u0111a\u0303 \u0111\u01b0\u01a1\u0323c du\u0300ng\u00a0th\u1ec3 hi\u1ec7n \u0111\u1ed9 l\u1ec7ch chu\u1ea9n trong to\u00e1n th\u1ed1ng k\u00ea, do v\u1eady 6 Sigma \u0111\u1ed3ng ngh\u0129a v\u1edbi 6 \u0111\u01a1n v\u1ecb l\u1ec7ch chu\u1ea9n.<\/p>\n

Six Sigma c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u1ea3i thi\u1ec7n s\u1ea3n xu\u1ea5t. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ban \u0111\u1ea7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh c\u00e1c quy tr\u00ecnh v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c khi\u1ebfm khuy\u1ebft khi th\u1ef1c hi\u1ec7n c\u00e1c quy tr\u00ecnh \u0111\u00f3.<\/p>\n

\u201c6 Sigma \u0111em t\u1edbi m\u1ed9t t\u01b0 duy m\u1edbi cho c\u00e1c doanh nghi\u1ec7p: thay v\u00ec t\u1eadp trung v\u00e0o x\u1eed l\u00fd c\u00e1c s\u1ea3n ph\u1ea9m l\u1ed7i, h\u00e3y \u0111\u1ea7u t\u01b0 c\u1ea3i thi\u1ec7n quy tr\u00ecnh \u0111\u1ec3 ng\u0103n l\u1ed7i x\u1ea3y ra, t\u1ea1o l\u1eadp s\u1ef1 \u1ed5n \u0111\u1ecbnh g\u1ea7n nh\u01b0 ho\u00e0n h\u1ea3o trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ho\u1ea1t \u0111\u1ed9ng kinh doanh\u201d.<\/em><\/p>\n

<\/b><\/h2>\n

Ch\u1ec9 khi n\u00e0o m\u1ed9t quy tr\u00ecnh kh\u00f4ng t\u1ed3n t\u1ea1i h\u01a1n 3,4 l\u1ed7i\u00a0 tr\u00ean m\u1ed7i m\u1ed9t tri\u1ec7u\u00a0 (s\u1ea3n ph\u1ea9m) m\u1edbi \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c ti\u00eau chu\u1ea9n c\u1ee7a Six Sigma.<\/em><\/p>\n

2.M\u00f4 h\u00ecnh c\u1ea3i ti\u1ebfn 6 Sigma theo c\u00e1c b\u01b0\u1edbc DMAIC\u00a0<\/b><\/span><\/h2>\n

6 Sigma ti\u1ebfp c\u1eadn theo chu tr\u00ecnh c\u1ea3i ti\u1ebfn qua 5 b\u01b0\u1edbc g\u1ecdi t\u1eaft l\u00e0 DMAIC:<\/p>\n

    \n
  • B\u01b0\u1edbc 1: Define (X\u00e1c \u0111\u1ecbnh)<\/b>:<\/li>\n<\/ul>\n

    X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u v\u00e0 mong mu\u1ed1n c\u1ee7a kh\u00e1ch h\u00e0ng t\u1eeb \u0111\u00f3\u00a0 \u0111\u01b0a ra\u00a0 m\u1ee5c ti\u00eau c\u1ea3i ti\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng, ph\u1ea1m vi tri\u1ec3n khai d\u1ef1 \u00e1n g\u1ed3m b\u1ed9 ph\u1eadn hay qu\u00e1 tr\u00ecnh n\u00e0o,\u00a0 ngu\u1ed3n l\u1ef1c c\u1ea7n c\u00f3?<\/p>\n

      \n
    • B\u01b0\u1edbc 2: Measure (\u0110o l\u01b0\u1eddng):\u00a0<\/b><\/li>\n<\/ul>\n

      Tr\u00ean c\u01a1 s\u1edf thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch c\u00e1c d\u1eef li\u1ec7u ho\u1ea1t \u0111\u1ed9ng, s\u1ebd \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c trong to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t n\u0103ng l\u1ef1c c\u1ee7a t\u1eebng kh\u00e2u. Trong qu\u00e1 tr\u00ecnh \u0111o l\u01b0\u1eddng n\u00e0y ch\u00fang ta c\u1ea7n nh\u1eadn d\u1ea1ng v\u00e0 t\u00ednh to\u00e1n c\u00e1c gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a ch\u1ec9 ti\u00eau ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 c\u00e1c bi\u1ebfn \u0111\u1ed9ng c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng v\u00e0o qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

      \u00a0B\u01b0\u1edbc 3: Analyze (Ph\u00e2n t\u00edch):\u00a0<\/b><\/p>\n

      L\u00e0 b\u01b0\u1edbc \u0111\u00e1nh gi\u00e1 c\u00e1c nguy\u00ean nh\u00e2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh v\u00e0 m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a n\u00f3.<\/p>\n

      B\u01b0\u1edbc 4: Improve (C\u1ea3i ti\u1ebfn):<\/b><\/p>\n

      L\u00e0 b\u01b0\u1edbc thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai c\u00e1c gi\u1ea3i ph\u00e1p c\u1ea3i ti\u1ebfn nh\u1eb1m lo\u1ea1i tr\u1eeb c\u00e1c b\u1ea5t h\u1ee3p l\u00fd, lo\u1ea1i tr\u1eeb c\u00e1c bi\u1ebfn \u0111\u1ed9ng ch\u1ee7 y\u1ebfu t\u1ea1i c\u00e1c khu v\u1ef1c tr\u1ecdng y\u1ebfu (\u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf b\u01b0\u1edbc 3). Trong b\u01b0\u1edbc n\u00e0y, n\u1ebfu c\u1ea7n thi\u1ebft, ch\u00fang ta ph\u1ea3i ti\u1ebfn h\u00e0nh m\u1ed9t s\u1ed1 th\u1ef1c nghi\u1ec7m nh\u1eb1m \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3 c\u1ea3i ti\u1ebfn \u0111\u1ea1t \u0111\u01b0\u1ee3c theo m\u1ee5c ti\u00eau \u0111\u00e3 \u0111\u1ecbnh \u1edf b\u01b0\u1edbc 1.<\/p>\n

      B\u01b0\u1edbc 5: Control (Ki\u1ec3m so\u00e1t)<\/b><\/p>\n

      Nh\u1eefng quy tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn c\u1ea7n ph\u1ea3i ki\u1ec3m so\u00e1t v\u00e0 theo d\u00f5i m\u1ed9t c\u00e1ch nghi\u00eam t\u00fac. T\u1eeb \u0111\u00f3 nh\u1eefng n\u1ed7 l\u1ef1c c\u1ea3i ti\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c duy tr\u00ec.<\/p>\n

      C\u00f4ng th\u1ee9c t\u00ednh 6 Sigma trong c\u00e1c doanh nghi\u1ec7p<\/b><\/span><\/h2>\n

      C\u01a1 s\u1edf c\u1ee7a 6 Si\u01a1ng tr\u00ecnh n\u00e0y,<\/p>\n

        \n
      • y l\u00e0 k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng. Y l\u00e0 bi\u1ebfn ph\u1ee5 thu\u1ed9c v\u00e0 n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o bi\u1ebfn x<\/li>\n
      • x \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c \u0111\u1ea7u v\u00e0o ban \u0111\u1ea7u c\u1ee7a b\u1ea1n, m\u00e0 b\u1ea1n chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c thao t\u00e1c kh\u00e1c \u0111\u1ec3 bi\u1ebfn th\u00e0nh s\u1ea3n ph\u1ea9m ho\u00e0n ch\u1ec9nh. (c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u h\u01a1n m\u1ed9t x trong quy tr\u00ecnh c\u1ee7a m\u00ecnh.)<\/li>\n
      • \u00a0H\u00e0m f () l\u00e0 qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i.<\/li>\n<\/ul>\n

        Sau \u0111\u00e2y l\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea3 hai lo\u1ea1i bi\u1ebfn:<\/p>\n

        \n\n\n\n\n\n\n\n\n
        Y<\/b><\/td>\nX<\/b><\/td>\n<\/tr>\n
        Bi\u1ebfn ph\u1ee5 thu\u1ed9c<\/td>\nBi\u1ebfn \u0111\u1ed9ng l\u1eadp<\/td>\n<\/tr>\n
        \u0110\u1ea7u ra c\u1ee7a qu\u00e1 tr\u00ecnh<\/td>\n\u0110\u1ea7u v\u00e0o c\u1ee7a qu\u00e1 tr\u00ecnh<\/td>\n<\/tr>\n
        \u1ea2nh h\u01b0\u1edfng<\/td>\nNguy\u00ean nh\u00e2n<\/td>\n<\/tr>\n
        Bi\u1ec3n hi\u1ec7n<\/td>\nV\u1ea5n \u0111\u1ec1<\/td>\n<\/tr>\n
        Bi\u1ebfn \u0111\u01b0\u1ee3c theo d\u00f5i<\/td>\nBi\u1ebfn \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        \u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n bi\u1ebft l\u00e0 bi\u1ebfn ho\u1eb7c y\u1ebfu t\u1ed1 m\u00e0 b\u1ea1n mu\u1ed1n c\u1ea3i thi\u1ec7n l\u00e0 Y ho\u1eb7c X. N\u1ebfu bi\u1ebfn \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t l\u00e0 bi\u1ebfn Y th\u00ec ch\u00fang ta n\u00ean x\u00e1c \u0111\u1ecbnh c\u00e1c bi\u1ebfn X ho\u1eb7c c\u00e1c bi\u1ebfn \u0111\u1ed9c l\u1eadp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn bi\u1ebfn Y v\u00e0 ch\u00fang ta n\u00ean t\u1eadp trung v\u00e0o c\u1ea3i thi\u1ec7n c\u00e1c bi\u1ebfn X v\u00e0 k\u00e9o theo c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c bi\u1ebfn Y. C\u00f3 th\u1ec3 c\u00f3 th\u00eam m\u1ed9t bi\u1ebfn X \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn Y v\u00e0 ch\u00fang ta n\u00ean c\u1ed1 g\u1eafng x\u00e1c \u0111\u1ecbnh c\u00e0ng nhi\u1ec1u bi\u1ebfn X c\u00e0ng t\u1ed1t v\u00e0 sau \u0111\u00f3 th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch qua bi\u1ec3u \u0111\u1ed3 Pareto ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 \u01b0u ti\u00ean kh\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c bi\u1ebfn X t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn bi\u1ebfn Y nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n

        Vai tr\u00f2 c\u1ee7a kh\u00e1ch h\u00e0ng trong x\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c 6 Sigma<\/b><\/span><\/h2>\n

        Kh\u00e1ch h\u00e0ng l\u00e0 ng\u01b0\u1eddi s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m \u2013 k\u1ebft qu\u1ea3 c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t.. \u0110\u00e2y ch\u00ednh l\u00e0 th\u00e0nh t\u1ed1 quan tr\u1ecdng nh\u1ea5t v\u00e0 c\u0169ng l\u00e0 m\u1ee5c ti\u00eau h\u01b0\u1edbng \u0111\u1ebfn c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p Six Sigma. M\u1ed9t kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 l\u00e0:<\/p>\n

          \n
        1. Th\u00e0nh vi\u00ean trong n\u1ed9i b\u1ed9 doanh nghi\u1ec7p \u2013 Nh\u00e2n vi\u00ean, c\u00e1c ph\u00f2ng ban kh\u00e1c<\/li>\n
        2. Ng\u01b0\u1eddi trung gian \u2013 ng\u01b0\u1eddi ho\u1eb7c b\u1ed9 ph\u1eadn s\u1eed d\u1ee5ng b\u00e1n th\u00e0nh ph\u1ea9m \u0111\u1ec3 th\u1ef1c hi\u1ec7n th\u00e0nh ph\u1ea9m<\/li>\n
        3. Kh\u00e1ch h\u00e0ng cu\u1ed1i \u2013 Nh\u1eefng ng\u01b0\u1eddi b\u00ean ngo\u00e0i t\u1ed5 ch\u1ee9c th\u1ef1c s\u1ef1 s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a h\u1ecd<\/li>\n<\/ol>\n

          Y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 nhu c\u1ea7u v\u00e0 k\u1ef3 v\u1ecdng c\u1ee7a ng\u01b0\u1eddi \u0111\u00f3 \u0111\u1ed1i v\u1edbi s\u1ea3n ph\u1ea9m\/ d\u1ecbch v\u1ee5 c\u1ee7a doanh nghi\u1ec7p. Khi doanh nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng th\u00ec \u0111i\u1ec1u \u0111\u00f3 s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu doanh nghi\u1ec7p kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u tr\u00ean, h\u1ec7 qu\u1ea3 t\u1ea5t y\u1ebfu l\u00e0 h\u1ecd s\u1ebd \u0111i t\u00ecm nh\u1eefng s\u1ea3n ph\u1ea9m\/ d\u1ecbch v\u1ee5 kh\u00e1c th\u1ecfa m\u00e3n c\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ecd. Y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Ti\u1ebfng n\u00f3i c\u1ee7a kh\u00e1ch h\u00e0ng \u2013 Voice Of Customer.<\/p>\n

          M\u1ed9t y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c thu th\u1eadp qua c\u00e1c k\u00eanh nh\u01b0 sau:<\/p>\n

            \n
          • Ph\u1ecfng v\u1ea5n tr\u1ef1c ti\u1ebfp kh\u00e1ch h\u00e0ng;<\/li>\n
          • Ph\u00e0n n\u00e0n c\u1ee7a kh\u00e1ch h\u00e0ng trong l\u1ecbch s\u1eed l\u01b0u tr\u1eef;<\/li>\n
          • C\u00e1c kh\u1ea3o s\u00e1t;<\/li>\n
          • C\u00e1c nh\u00f3m t\u1eadp trung;<\/li>\n<\/ul>\n

            Khi ti\u1ebfng n\u00f3i c\u1ee7a kh\u00e1ch h\u00e0ng (VOC) \u0111\u01b0\u1ee3c thu th\u1eadp, doanh nghi\u1ec7p s\u1ebd c\u00f3 c\u01a1 s\u1edf ho\u00e0n thi\u1ec7n c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng (Critical To Quality) \u0111\u1ec3 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o quy tr\u00ecnh c\u1ee7a doanh nghi\u1ec7p v\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng mong mu\u1ed1n c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n

            C\u00e1c CTQ \u0111\u1ea1i di\u1ec7n cho c\u00e1c y\u00eau c\u1ea7u quan tr\u1ecdng c\u1ee7a s\u1ea3n ph\u1ea9m, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1eaft ngu\u1ed3n t\u1eeb y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng, r\u1ee7i ro, c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn kinh t\u1ebf ho\u1eb7c quy \u0111\u1ecbnh nh\u00e0 n\u01b0\u1edbc. \u0110i\u1ec1u r\u1ea5t quan tr\u1ecdng l\u00e0 x\u00e1c \u0111\u1ecbnh v\u00e0 x\u00e1c \u0111\u1ecbnh CTQ m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p v\u00ec n\u00f3 m\u00f4 t\u1ea3 c\u00e1c tham s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng li\u00ean quan \u0111\u1ebfn mong mu\u1ed1n v\u00e0 nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

            6 Sigma l\u00e0 g\u00ec? Kh\u00e1i ni\u1ec7m\u00a0\u201d6 Sigma\u201d l\u00e0 g\u00ec\u00a0\u0111\u1ea7u ti\u00ean kh\u00f4ng ph\u1ea3i do Jack Welch \u2013 vi\u1ebft l\u00ean m\u00e0 ch\u00fang\u00a0\u0111\u01b0\u1ee3c Motorola ph\u00e1t tri\u1ec3n v\u00e0o nh\u1eefng n\u0103m 1980 v\u00e0\u00a0\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt \u0111\u1ec3 c\u1ea3i thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a h\u1ecd. Cho \u0111\u1ebfn n\u0103m 1995, kh\u00e1i ni\u1ec7m 6 Sigma […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[220,229],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/5461"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=5461"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/5461\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=5461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=5461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=5461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}