TOTAL QUALITY MANAGEMENT

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Presentation transcript:

TOTAL QUALITY MANAGEMENT TOOLS OF TQM (2) Abdulla Jassim Abdulla

The Seven Tools oF TQM Flowcharts Cause and effect Diagram (Ishikawa) Check sheets Pareto Charts Histograms Run Charts and Control charts Scatterplots and correlation Analysis

Pareto Charts Named after Wilfredo Pareto. Prioritize problems Categorical Data

Histograms Process Variability Continuous Data Factors important when investigating Histograms: Variations Location Shape Unusual features

Bar charts Graphical summary of data Display group differences Ordinal data

Unusual Features in Histograms Bimodal histograms Cut-off Distribution Combed Distribution

Summary Statistics Mean Median Standard Deviations Variance

Run Charts Variation (Trends) over time. Data Could be Means, counts or proportions collected over time.