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1. Sig sigma is "a comprehensive and flexible system for achieving, sustaining, and maximizing business success".

1.1. a)DEFINE: define the problem/opportunity, process, and customer requirement.

1.2. b) MEASURE: Define measure, then collect, compile, and display data.

1.3. c) ANALYZE: Scrutinize process details to find improvement opportunities.

1.4. d) IMPROVE: Generate solutions and ideas for improving the problem

1.5. c) ANALYZE: Scrutinize process details to find improvement opportunities.

2. Quality planning: identifying which quality standards are relevant to the project and how to satisfy them.

3. Quality assurance: periodically evaluating overall project performance to ensure the project will satisfy the relevant quality standard.

3.1. Quality audit - structured review

3.2. Benchmarking - ideas

4. Quality control: monitoring specific project results to ensure that they comply with the relevant quality standard.

4.1. a) cause-and-effect diagrams trace complaints about quality problems back to the responsible production operations.

4.2. b) control chart is a graphic display of data that illustrates the result of process over time.

4.3. c) Run Chart- displays the history and pattern of variation of a process over time.

4.4. d) scatter diagram helps to show if there is a relationship between two variables.

4.5. e) Histogram is a bar graph of a distribution of variables

4.6. f) Pareto chart is a histogram that can help you identify and prioritize problem areas.

4.7. g) Flowcharts are graphic displays of the logic and flow of processes.

4.8. h)Statistical sampling involves choosing part of a population of interest for inspection.