Quality Management 2017

Samples 11 to 30: Analysis of the updated control charts

A NALYZE

S TEP 8: A NALYSE THE UPDATED CONTROL CHARTS ( INCLUDING SAMPLES FROM 11 TO 30)

• Are all the points within the limits on both charts? Which proportion is within or outside?

• Do you detect special causes? (out of the limits or trends)

 If yes : •

Has something changed in the process? • Can you remove those special causes and make the process back to a stable situation? • Check your capability indicators.

Measurable and continuous improvement of quality

 If no : •

Analyze the capability indicators. • Good time for improvement.

03/10/17

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