Process improvement tools.

Process improvement tools.

1. Diagram Cause - Effect.

   • It helps to identify, classify and show possible causes of both specific problems and desired effects.

2. Stratification.

   • A procedure to classify the available data by groups with similar characteristics that graphically shows the distribution of the data coming from different sources or conditions.

3. Check Sheet.

   • Record of data related to the occurrence of certain events, by a simple method.

4. Control Charts.

   • Statistical tool used to control and improve a process by analyzing its variation over time.

5. Histogram.

   • Vertical bar graph representing the frequency distribution of a data set.

6. Pareto chart.

   • Method of analysis that allows to discriminate between the most important causes of a problem (the few and vital) and those that are less (the many and trivial).

7. Dispersion diagram.

   • A tool that helps to identify the possible relationship between two variables.

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