식스시그마 프로젝트에서 연구가설과 통계가설에 의한 통계적 유의성 및 실무적 유의성의 적용방안Implementation of Statistical Significance and Practical Significance Using Research Hypothesis and Statistical Hypothesis in the Six Sigma Projects
- Other Titles
- Implementation of Statistical Significance and Practical Significance Using Research Hypothesis and Statistical Hypothesis in the Six Sigma Projects
- Authors
- 최성운
- Issue Date
- 2013
- Publisher
- 대한안전경영과학회
- Keywords
- RHAT; RHPT; Specification Directionality; FBP; H0; H1; PBC; Proper Sample Size; Practical Significance; Statistical Significance; Case Analysis
- Citation
- 대한안전경영과학회지, v.15, no.1, pp.283 - 292
- Journal Title
- 대한안전경영과학회지
- Volume
- 15
- Number
- 1
- Start Page
- 283
- End Page
- 292
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/15613
- DOI
- 10.12812/ksms.2013.15.1.283
- ISSN
- 1229-6783
- Abstract
- This paper aims to propose a new steps of hypothesis testing using analysis process and improvement process in the six sigma DMAIC. The six sigma implementation models proposed in this paper consist of six steps. The first step is to establish a research hypothesis by specification directionality and FBP(Falsibility By Popper). The second step is to translate the research hypothesis such as RHAT(Research Hypothesis Absent Type) and RHPT(Research Hypothesis Present Type) into statistical hypothesis such as (Null Hypothesis) and (Alternative Hypothesis). The third step is to implement statistical hypothesis testing by PBC(Proof By Contradiction) and proper sample size. The fourth step is to interpret the result of statistical hypothesis test. The fifth step is to establish the best conditions of product and process conditions by experimental optimization and interval estimation. The sixth step is to draw a conclusion by considering practical significance and statistical significance. Important for both quality practitioners and academicians, case analysis on six sigma projects with implementation guidelines are provided.
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