[N-clex] QI PDCA

- Plan → Do → Check → Act → Plan .....

- Plan : 3Q what, how, what change

modified

F ind

O rganize

C larify

U nderstand

S election

P lan : FOCUS plan 전단계 or plan 단계

D o : 자료분석

C heck : 자료에 따른 해석 : propose, solution

A ct : adopt, abandon

- ongoing!