Quality Circles LO29881

From: AM de Lange (amdelange@postino.up.ac.za)
Date: 02/03/03


Replying to LO29867 --

Dear Organlearners,

Alan Cotterell <acotrel@cnl.com.au> writes:

>I might be under a misapprehension, however I believe the
>term Six Sigma is a reference to the normal distribution of
>data, and the 'fact' that 99.5% of values in a normal
>distribution lie within plus or minus three standard deviations
>of the mean. Is this correct? I believe 'Six Sigma' system
>refers to Statistical Process Control, am I showing my ignorance?

Greeings dear Alan,

You are basically correct. I was in a hurry. I commented on the six and
the sigma. But i forgot to tell what Six Sigma as two words, but one
concept, means.

Here in South Africa a number of companies followes the Six Sigma
methodology. However, they tend to forget that it is closely connected to
specifications (standards). Poor specifications lead to a worthless Six
Sigma management.

With care and best wishes,

-- 

At de Lange <amdelange@postino.up.ac.za> Snailmail: A M de Lange Gold Fields Computer Centre Faculty of Science - University of Pretoria Pretoria 0001 - Rep of South Africa

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