There are numerous examples of this in the public sector in the United Kingdom (don’t get sick in Blighty!) The consequence of these indicators on the quality of product or service, and the morale of the organisation can be devastating.
Of course, the numbers will be met, usually by falsification or distortion, occasionally by luck, infrequently by action on the process. These ‘indicators’ appeal to the command and control mentality, and inevitably become targets which have to be met, or else. I agree completely with Stan, apart from the fact that the use of these ‘indicators’ in many organisations is far from a joke for the poor buggers who, in many organisations, have to achieve these numbers. That go into the conversion to sigma, or Cpk, or Cpm,… TheĬonversions are only a high level indicator. You do this by using tried antrue stats on the metrics
#Minitab confidence interval how to
Totally meaningless.Your original question was how to know if the improvement is In other words, it’s lost it’s original intent and therefore Three sigma process 6, and some would call a 6 sigma process To my customer, so the opportunities are 1 regardless of theĬomplexitiy”.Does this give wildly different sigma levels? Yes, some would call a People are macho and say “it’s either right or wrong when delivered Value added transformations to make something right some That get tested or inspected some people count it as all theĭifferent ways something can go wrong some count the number of Why is it a joke? Some people count opportunities as the things It is a managment tool if used right and a joke in its To be able to compare products and processes of differentĬomplexity. You sir, have clearly drank the Koolaid.The intent of sigma levels is good.
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