Statistics applied to Quality Control

Statistics applied to Quality Control

1. In an application of statiscal methods

   • It's very important to avoid company's problems
     • Provides off -line tools
       • To support analysis and decision - making

2. There are 7 basic tools of quality control

   • Cause and effect diagrams
     • Is a visualization tool to identify potential causes
       • Examines why something happened or might happen

3. Control Charts

   • Is a tool to determine whether or not manufacturing or business process
     • That is in a state of statistical control
       • Indicates that the process is currently under control

4. Check sheet

   • Is used for collecting data in real -time
     • It's created to do easier the data information

5. Pareto chart

   • Is used to represents the values in descending order
     • The purpose is highlight the most important among a set of factors

6. Scatter plot

   • Type of mathematical diagram
     • Use cartesian coordinates to display values
       • For two variables for a set of data

7. PDAC

   • Plan
     • Do
       • Act
         • Check

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