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  Statistical Techniques and 6 Sigma
  Statistical Hypothesis Testing

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Author Topic:   Statistical Hypothesis Testing
Kelly Speiser
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Posts: 11
From:Michigan Center MI
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posted 04 December 1998 10:15 AM     Click Here to See the Profile for Kelly Speiser   Click Here to Email Kelly Speiser     Edit/Delete Message   Reply w/Quote
Is statistical hypothesis testing used by our Quality professionals to help "prove" signficant quality improvements/declines? It seems to be a valueable tool but I do not see or hear much about it, especially since focus has been on 'QS/ISO system' quality.

Is there interest from anyone to learn more about hypothesis testing if were easy to learn? The reason I'm asking is this: an easy-to-use workbook has been writen and the author needs feedback and peer reviews.

I find hypothesis testing fun and exciting. It is not so hard to do as DOE and one step above control charting.

Kelly Speiser

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Don Winton
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Posts: 498
From:Tullahoma, TN
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posted 04 December 1998 11:14 AM     Click Here to See the Profile for Don Winton   Click Here to Email Don Winton     Edit/Delete Message   Reply w/Quote
I use hypothesis testing a lot. I find it an invaluable tool in determining significant difference between processes and performance. It is relatively simple (t-test, ANOVA, ANOM, F, Chi-square, etc)and the results are easily presented. I would love to have a peek at the book referenced. Write me at or dwinton@vallnet.com.

Regards,
Don

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