total quality management tools of tqm (2) abdulla jassim abdulla

TOTAL QUALITY TOTAL QUALITY MANAGEMENTMANAGEMENT

TOOLS OF TQM (2)TOOLS OF TQM (2)

Abdulla Jassim AbdullaAbdulla Jassim Abdulla

The Seven Tools oF TQMThe Seven Tools oF TQM

• FlowchartsFlowcharts

• Cause and effect Diagram (Ishikawa)Cause and effect Diagram (Ishikawa)

• Check sheetsCheck sheets

• Pareto ChartsPareto Charts

• HistogramsHistograms

• Run Charts and Control chartsRun Charts and Control charts

• Scatterplots and correlation Scatterplots and correlation AnalysisAnalysis

Pareto ChartsPareto Charts

• Named after Wilfredo Pareto.Named after Wilfredo Pareto.

• Prioritize problemsPrioritize problems

• Categorical DataCategorical Data

HistogramsHistograms

• Process VariabilityProcess Variability

• Continuous DataContinuous Data

• Factors important when investigating Factors important when investigating Histograms:Histograms:

VariationsVariations LocationLocation ShapeShape Unusual featuresUnusual features

Bar chartsBar charts

• Graphical summary of dataGraphical summary of data

• Display group differencesDisplay group differences

• Ordinal dataOrdinal data

Unusual Features in Unusual Features in HistogramsHistograms

• Bimodal histogramsBimodal histograms

• Cut-off DistributionCut-off Distribution

• Combed DistributionCombed Distribution

Summary StatisticsSummary Statistics

• MeanMean

• MedianMedian

• Standard DeviationsStandard Deviations

• VarianceVariance

Run ChartsRun Charts

• Variation (Trends) over time.Variation (Trends) over time.

• Data Could be Means, counts or Data Could be Means, counts or proportions collected over time.proportions collected over time.