Basic quality tools and others

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Basic quality tools and others

  1. 1. SEVEN BASIC QUALITY TOOLS
  2. 2. INTRODUCTION  Quality tools are more specific - tools which can be applied to solving problems in improving quality in organizations, manufacturing, or even in individual processes.  They were first emphasized by Kaoru Ishikawa, professor of engineering at Tokyo University and the father of “quality circles”.
  3. 3. Seven Basic Quality Tools HISTOGRAM SCATTER DIAGRAM PARETO CHART CAUSE & EFFECT CONTROL CHART Run chart FLOWCHART
  4. 4. Histograms  A histogram is a bar graph that shows frequency data.  Histograms provide the easiest way to evaluate the distribution of data.
  5. 5. Pareto Chart The Pareto Chart is a histogram ordered by the frequency of result occurrences, showing how many results were generated by the type or category of the identified cause. The relative position of the occurrences is used to guide corrective actions. • The corrective actions must initially focus on the problems that are causing the majority of defects.
  6. 6. Pareto Chart
  7. 7. Cause and Effect Diagram It shows how several causes relate themselves to problems or potential effects. Also known as Ishikawa Diagram or Fishbone Diagram.
  8. 8. Cause and Effect Diagram
  9. 9. Flowcharting A flowchart is any chart that depicts how several elements interact with each other
  10. 10. Control Charts Control charts present the results of a process over time. They are used to determine if the process is under control. They are used to monitor any type of variable output. Can be used to monitor Cost and schedule variances; Volume and frequency of changes; Errors in the project documentation
  11. 11. Run chart • A run chart, also known as a run-sequence plot is a graph that displays observed data in a time sequence. Often, the data displayed represent some aspect of the output or performance of a manufacturing or other business process.
  12. 12.  A simple run chart showing data collected over time. The median of the observed data (73) is also shown on the chart.
  13. 13. Scatter Diagrams  Scatter Diagrams are used to study and identify the possible relationship between the changes observed in two different sets of variables.
  14. 14. Other charts, diagrams or organizers
  15. 15. Concept map  A concept map is a diagram that depicts suggested relationships between concepts.  a simplified way to organize a story or idea into smaller details.  It is typically represents ideas and information as boxes or circles, which it connects with labelled arrows in a downward-branching hierarchical structure.
  16. 16. Checksheet It is a list with previously defined options that are used as a guide to control risks. It allows a thorough evaluation in a short period of time.
  17. 17. Pie chart diagrams  also called circle graphs  type of graphic organizer that is useful for displaying information about the percentages or parts of a whole.
  18. 18. Venn Diagram  is a graphic organizer that is made up of two or three overlapping circles. In mathematics, Venn diagrams are used to visualize the relationship between two or three sets. Venn diagrams can also be used to compare and contrast the characteristics of any other items, like groups of people, individual people, books, characters, animals, etc.
  19. 19. Thank you!!!  Submitted by:  Jalyn C. Refugio  Jenerose Abad  Myla Endrano  Marvin Orgaya

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