basic quality tools and others
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SEVEN BASIC QUALITY
TOOLS
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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”.
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Seven Basic Quality Tools
HISTOGRAM
PARETO CHART
CAUSE &
EFFECT
FLOWCHART
Run char
t
CONTROL CHART
SCATTER
DIAGRAM
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Histograms
A histogram is a bar graph that shows frequency data.
Histograms provide the easiest way to evaluate the distribution of data.
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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.
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Pareto Chart
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Cause and Effect Diagram
It shows how several causes relate themselves to problems or potential effects.
Also known as Ishikawa Diagram or Fishbone Diagram.
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Cause and Effect Diagram
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Flowcharting
A flowchart is any chart that depicts how several elements interact with each other
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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
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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.
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A simple run chart showing data collected over time. The median of the observed data (73) is also shown on the chart.
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Scatter Diagrams
Scatter Diagrams are used to study and identify the possible relationship between the changes observed in two different sets of variables.
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Other charts, diagrams or organizers
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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.
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ChecksheetIt 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.
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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.
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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.
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Thank you!!!
Submitted by: Jalyn C. Refugio Jenerose Abad Myla Endrano Marvin Orgaya