The Seven Basic Quality Tools

Duration: 60 Minutes
Root cause analysis (RCA) plays a central role in corrective and preventive action (CAPA) and continual improvement. This webinar will focus on the seven basic quality tools, all of which are useful in this role: check sheets, histograms, Pareto charts, cause and effect diagrams, scatter diagrams, control charts, and process flowcharts. Flowcharts are also synergistic with the process model of ISO 9001 and Shingo process maps, and process failure mode effects analysis (PFMEA).
Seven Basic Quality Tools
Product ID: 503990
Objectives of the Presentation
Attendees will learn how to use:
  • The check sheet or tally sheet
  • The Pareto chart
  • The histogram
  • The cause and effect diagram
  • The scatter diagram
  • The control chart
  • The process flowchart
Why Should you Attend
The seven Quality Tools can help to identify and prioritize problems quickly and effectively, assist the decision making process, and provide simple but powerful tools for ongoing improvement. In this webinar attendees will learn the seven basic quality tools and how they support other aspects of a quality management system.

Areas Covered
  • The check sheet or tally sheet is a means of recording how often something happens. The concentration diagram or "measles chart" is a graphical extension of the check sheet that shows how often something (like a defect) occurs in a particular location
  • The Pareto chart is a graphical tool for prioritization of efforts in terms of the cost of a particular problem (or the value of a particular opportunity)
  • The histogram is a visual display of relative frequency of occurrence and is very useful in the visualization of the distribution of a quality characteristic
  • The cause and effect diagram is an extremely useful brainstorming tool that facilitates identification of potential problem root causes by a cross-functional team
    • The cause and effect diagram is helpful in the identification of potential factors for a designed experiment to determine which factors are important and which are not. This helps support root cause analysis and continual improvement
    • Process failure mode analysis (PFMEA) uses elements of a cause and effect diagram to identify potential risks to a process in terms of failure causes. This can disable potential failure causes before they even have an opportunity to generate poor quality
  • The scatter diagram illustrates the relationship between two variables (such as a quality characteristic and a process factor). It may result in the development of a fitted regression model, i.e. a physical model y=f(x) where y is the process characteristic and x is the input factor (such as, for example, tool speed)
  • Control charts are visual controls that make the status of the process obvious without the need for people to interpret tables of numbers or similar data
  • Process flowcharts are synergistic with root cause analysis because they help show where during the process a problem might have originated
    • They are also consistent with ISO 9001's process approach, and support structure analysis in failure mode effect analysis (FMEA)
    • The Shingo process map is essentially a process flowchart that uses data (such as cycle time information) to expose waste and drive continual improvement
Attendees will receive a pdf copy of the slides and accompanying notes, including references and additional sources of information.

Who will Benefit
Basic level; quality practitioners and others seeking an introduction to simple and easily usable quality improvement tools.

Topic Background
Kaoru Ishikawa, the developer of the cause and effect diagram, is alleged to have said that the famous warrior monk Benkei owned seven weapons with which he could win any battle, and that a quality practitioner who knows how to use the seven basic quality tools can solve 95% of all problems. This connection to Japanese history would have been very helpful in the promotion of the Seven Tools in postwar Japan which, with the aid of W. Edwards Deming, soon became a high-quality industrial superpower.
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  • Presentation handouts in downloadable PDF format will be updated on your OCP Account within 24 hours of the purchase of the product
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  • Please share your valuable Feedback at the end of the session
Instructor Profile:
William Levinson is the principal of Levinson Productivity Systems, P.C. He is an ASQ Fellow, Certified Quality Engineer, Quality Auditor, Quality Manager, Reliability Engineer, and Six Sigma Black Belt. He holds degrees in chemistry and chemical engineering from Penn State and Cornell Universities, and night school degrees in business administration and applied statistics from Union College, and he has given presentations at the ASQ World Conference, ISO/Lean Six Sigma World Conference, and others.


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