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Preface | |
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About the Authors | |
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Six Sigma methodology | |
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Management by process | |
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The concept of 'process' | |
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Managing by process | |
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The process performance triangle | |
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Customer satisfaction | |
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The success of enterprise | |
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Innovation and Six Sigma | |
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Meanings and origins of Six Sigma | |
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Variation in products and processes | |
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Meaning of 'Six Sigma' | |
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Six Sigma process | |
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Origins of Six Sigma | |
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Six Sigma: Some definitions | |
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Six Sigma projects | |
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Why implement Six Sigma projects? | |
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Six Sigma paths | |
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The DMARIC path | |
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Human resources and training | |
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References | |
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Basic managerial techniques | |
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For brainstorming | |
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Cause-effect diagram | |
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Affinity diagram (KJ analysis) | |
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To manage the project | |
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Work breakdown structure | |
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Gantt chart | |
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To describe and understand the processes | |
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The SIPOC scheme | |
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The flow chart | |
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The ServQual model | |
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To direct the improvement | |
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The Kano model | |
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References | |
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Basic statistical techniques | |
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To explore data | |
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Fundamental concepts and phases of the exploratory data analysis | |
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Empirical frequency distribution of a numerical variable | |
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Analysis by stratification | |
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Other graphical representations | |
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To define and calculate the uncertainty | |
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Definitions of probability | |
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Events and probabilities in the Venn diagram | |
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Probability calculation rules | |
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Dispositions, permutations and combinations | |
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To model the random variability | |
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Definition of random variable | |
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Probability distribution function | |
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Probability mass function for discrete random variables | |
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Probability density function for continuous variables | |
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Mean and variance of a random variable | |
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Principal models of random variables | |
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To draw conclusions from observed data | |
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The inferential process | |
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Sampling and samples | |
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Adopting a probability distribution model by graphical analysis of the sample (probability plot) | |
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Point estimation of the parameters of a Gaussian population | |
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Interval estimation | |
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Hypothesis testing | |
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References | |
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Advanced managerial techniques | |
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To describe processes | |
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IDEFO | |
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To manage a project | |
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Project evaluation and review technique | |
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Critical path method | |
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To analyse faults | |
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Failure mode and effect analysis | |
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Fault tree analysis | |
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To make decisions | |
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Analytic hierarchy process | |
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Response latency model | |
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Quality function deployment | |
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References | |
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Advanced statistical techniques | |
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To study the relationships between variables | |
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Linear regression analysis | |
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Logistic regression models | |
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Introduction to multivariate statistics | |
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To monitor and keep processes under control | |
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Process capability | |
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Online process control and main control charts | |
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Offline process control | |
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To improve products, services and production processes | |
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Robustness thinking | |
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Variation mode and effect analysis | |
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Systemic robust design | |
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Design of experiments | |
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Four case studies of robustness thinking | |
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To assess the measurement system | |
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Some definitions about measurement systems | |
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Measurement system analysis | |
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Lack of stability and drift of measurement system | |
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Preparation of a gauge R&R study | |
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Gauge R&R illustrative example | |
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References | |
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Six Sigma methodology in action: Selected Black Belt projects in Swedish organisations | |
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Resource planning improvement at SAAB Microwave Systems | |
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Presentation of SAAB Microwave Systems | |
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Project background | |
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Define phase | |
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Measure phase | |
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Analyse phase | |
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Improve phase (ideas and intentions) | |
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Control phase (ideas and intentions) | |
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Improving capacity planning of available beds: A case study for the medical wards at Sahlgrenska and �stra Hospitals | |
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Presentation of Sahlgrenska and �stra Hospitals | |
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Project background | |
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Define phase | |
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Measure phase | |
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Analyse phase | |
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Improve phase (ideas and intentions) | |
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Control phase (ideas and intentions) | |
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Controlling variation in play in mast production process at ATLET | |
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Presentation of Atlet AB | |
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Project background | |
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Define phase | |
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Measure phase | |
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Analyse phase | |
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Improve phase (ideas and intentions) | |
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Control phase (ideas and intentions) | |
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Optimising the recognition and treatment of unexpectedly worsening in-patients at K�rnsjiukhuset, Skaraborg Hospital | |
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Presentation of Skaraborg Hospital | |
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Project background | |
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Define phase | |
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Measure phase | |
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Analyse phase (ideas and intentions) | |
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Improve phase (ideas and intentions) | |
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Control phase (ideas and intentions) | |
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Optimal scheduling for higher efficiency and minimal losses in warehouse at Structo Hydraulics AB | |
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Presentation of Structo Hydraulics AB | |
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Project background | |
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Define phase | |
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Measure phase | |
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Analyse phase | |
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Improve phase (planning) | |
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Control phase (planning) | |
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Reducing welding defect rate for a critical component of an aircraft engine | |
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Presentation of Volvo Aero Corporation | |
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Project background | |
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Define phase | |
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Measure phase | |
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Analyse phase | |
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Improve phase (ideas and intentions) | |
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Control phase (ideas and intentions) | |
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Attacking a problem of low capability in final machining for an aircraft engine component at VAC - Volvo Aero Corporation | |
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Presentation of Volvo Aero Corporation | |
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Project background | |
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Define phase | |
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Measure phase | |
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Analyse phase | |
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Improve phase (ideas and intentions) | |
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Index | |