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  • Alright, I have some data here, but I am not sure what I have. I have a torque analyzer, and a Dc torque Tool. I programmed 10 different torques that I am considering as “parts”. I had 1 person come in, and go through the 10 different parts on the torque analyzer, 3 times. I recorded the data and they never saw what it was. I had another…[Read more]

  • Upendra Sravan became a registered member 5 hours ago

  • MBBinWI replied to the topic Computing Sigma Score in the forum General 5 hours, 56 minutes ago

    Dee: Don’t use the time, rather use the counts of the instances where time exceeded the spec.

  • Tim Manchester became a registered member 8 hours, 42 minutes ago

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  • New to this forum, but figured this would be a great place to get a quantitative question answered. I haven’t really applied any type of statistical/quantitative analysis for a few years, but have decided that I would probably be better equipped to evaluate spending trends by pulling out some old six sigma tools. Problem is I’m drawing a bank on…[Read more]

  • New to this forum, but figured this would be a great place to get a quantitative question answered. I haven’t really applied any type of statistical/quantitative analysis for a few years, but have decided that I would probably be better equipped to evaluate spending trends by pulling out some old six sigma tools. Problem is I’m drawing a bank on…[Read more]

  • Gustav became a registered member 10 hours, 18 minutes ago

  • @muzawarm – As @Andy-Parr mentions, VSM’s are not ends to themselves, rather they are tools to organize, document, and communicate. Is there some concern about the efficiency of the lines you want to create VSM’s for? If there is likely little opportunity for significant improvements, spending the resources required for a good VSM may be…[Read more]

  • Preddy – it has been said here (best by @rbutler) that “Big Analytics” tends to assume that the data is good, whereas SS emphasizes that you need to validate the measurement system as one of the earliest tasks. Now, oftentimes the data is actually good, so you won’t necessarily go wrong just jumping in and analyzing, but in those instances where…[Read more]

  • Dee: OK, now I understand better. You’re before sigma should be estimated by using the distribution of the times and the USL of 10 days. You have no lower spec limit, since less time is better. Take your after sigma, and subtract that from your before sigma and you have your sigma improvement.

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