Η μέθοδος Six Sigma

---------- --- ----- --- ------- Six Sigma -- ----- 50 ----- -- ---- -- -------- --- --------- ------. - ------- Six Sigma ----- --- -------, --------- --- ---------- ----------- --- --------- --- ------ --- ----------- --- ----------- ------- --- ------------, --------------- --------- --- --------. ---- --------- --------- --- ---------- -----, ------------ ---- --------- -- ---------- -- ----------, -- -------- --- ---------- --- -- --------- ---- ------------ ---- -------. ---- -- ------ --- ------- --- -------- -------- ---- --------- --- --- ----- --- -- -------------- --- -----------, --- ------ --- ----------- --- -- -------- --- --------. ------------ ------ --- ------- --- -------------- --- --- ----- --- ----------- ---------, ---- - Motorola, - General Electric --- - Bank of America, --- -------- --- --------- --- ----------- --- --- -------- -- ------ -------, ---- -- Lean Six Sigma --- - ---------- ------ --------- (TQM). 
------- -- -- ------ Six Sigma : - ------- Six Sigma ----- --- -------- -------- --- -------- ---------- --- ---------- --- ------------ --- -------- ---- -------- ----------- --- --- 99,99% -- ------- --------------- -----------. ---------------- -- -------- --- 1980 --- ---------- ---- --- ------- --------, ------------ ----- --- --------- ----- -- --- ----- --- ---------. ------ ------- --------- --- --------- ----- --- ---------- -- --------- ------ ------------ -- --- --- -----. -- ---- -- ------, -- ----------- --- - ------- --- ----- ------ -- -------- --- ---------- ---, -- ----------- --- ---------- ------ --- --- ----------- -------- --- -- ------ --- -- --- ---------- --------------. --- ----- ------- --- -------------- --- --- ------- -------------- --- -------, --- -------- ---- --------- ------- ---------- --- --- -------- -- ------ ------- -- --- ------ -- -------- --- ---------- --- -- ------------ --- ---------- --- ---- --------- ---.