The misusage of statistical methods in Six Sigma projects

6시그마 프로젝트에서의 통계기법의 오용

  • Published : 2003.09.01

Abstract

Many companies in Korea are paying close attention to Six Sigma to get better business results. And there are numerous success stories on the use of statistical methods in solving problems, improving processes and cutting costs. However, there are many cases in which statistical methods are misused or inappropriately applied. In this paper, the pitfalls to avoid in using statistical methods are discussed. Also the role of statistics in Six Sigma is examined.

Keywords

References

  1. 김 재주(1981), '한국통계의 현황과 장래-공업통계', 「통계학연구」,한국통계학회, 10권, 창립10주년 기념호
  2. 박 성현, 김 재주(1991), '공업통계의 현황과 활성화 방안',「통계학 연구」, 한국통계학회, 20권, 창립20주년 기념호
  3. 박 성현(1996), '잘못 쓰기 쉬운 통계의함정에 관한 고찰', 「품질경영학회」,제24권 제2호, pp.179-186
  4. 박 성현(2001), '공업통계의 과거·현재·미래', 「한국통계학회 논문집」, 8권, 창립 30주년 기념호, pp.27-34
  5. 한국통계학회(1991), 「알고 보면 재미있는 통계이야기」, 자유아카데미
  6. Britz, G., Emerling, D.,Mare, L.B.,Hoeal, R.W., Shado, T.(1997), 'Howto teach others to apply statisticalthinking', Quality Progress, pp.67-79
  7. Campbell, S.K.(1974), Flaws and fallaciesin statistical thinking, Prentice-Hall,New Jersey
  8. Pyzdek, T.(2001), The six sigma handbook, MaGraw-Hill
  9. Stein, Philip(2001), 'Measurements forBusiness-using the metrology body ofknowledge to enhance managementdecisions, business operation', Quality Progress, vol.34, pp.29-32