Scatter diagram in tqm

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Scatter diagram in tqm

  1. 1. ‘Scatter Diagram’ Submitted by, Aswathy.S.G
  2. 2. THE ‘SEVEN SIMPLE & OLD TOOLS’ Professor Ishikawa -based on statistical techniques Facilitate successful accomplishment of quality improvement objectives • Flowcharts • Cause and Effect (Ishikawa / fishbone) Diagrams • Check sheets • Pareto Charts • Histograms • Run Charts and Control Charts • Scatter plots and Correlation Analysis
  3. 3. Tools of TQM • Tools for generating ideas • Check sheet • Scatter diagram • Cause and effect diagram • Tools to organize data • Pareto charts • Process charts (Flow diagrams) • Tools for identifying problems • Histograms • Statistical process control chart
  4. 4. Seven Tools for TQM
  5. 5. SCATTER DIAGRAM simple graphical device to depict the relationship between two variables. composed of a horizontal axis containing the measured values of one variable and a vertical axis, representing the measurements of the variable. displays the paired data as a cloud of points. The density and direction of the cloud indicate how the two variables influence each other
  6. 6. STEPS OF SCATTER DIAGRAM Select variables which is related to each other Collect Data Create Scatter diagram X axis – cause or independent variables Y axis –effect or dependent variables Examine the shape of cloud of points Determine the type and strength of mutual relations
  7. 7. TYPES OF CORRELATION 1. POSTIVE CORELATION 2.NEGATIVE CORELATION 3. NO CORELATION

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