iSixSigma

MBBinWI

Activity

  • @rbutler – a function of the computer generation.  If they had grown up with a slide rule, they would understand.  ;-) 10 months, 3 weeks ago

  • @Marc68 – I’m going to take exception to @cseider and @poetengineer in their guidance on this issue.  When determining calibration frequency there are two items to evaluate – the bias and precision.  While an MSA can help, it also introduces issues related to the human element, but that is not what calibration is about.  Calibration is about th…[Read more]

  • @ahamumtaz – You should go back and research the definitions of Cp, Cpk and Sigma that were provided to you.  You should find some verbiage that states something like: Cp is “potential” capability, whereas Cpk is “actual” or “observed” capability.  The difference being the location of the distribution in relation to the target and upper/lower b…[Read more]

  • @derekkoz – as the learned @rbutler identifies, once you limit the number of decimal places you are going to use, you have created a discrete measure.  The key is whether the number of decimals is sufficient to provide the resolution needed to answer the question being investigated.  Now, don’t get me wrong, there are certainly absolute discrete m…[Read more]

  • @geozor – A good approach would be to do a root cause analysis, identifying the several contributors to the issue (a fishbone diagram would be a good approach).  Categorize the several contributors as to their likely impact.  Then select the one that is the greatest contributor and go after improving it so that it either no longer is a c…[Read more]

  • @lucaspaesp – a lot of good discussion here, and I hope you’ve learned some things.  Fundamentally, you have a measurement system that doesn’t have sufficient precision.  There are several techniques that I might suggest, but the easiest is to use the raw data instead of sub-groups (as it seems you plotted in your graph #2). 1 year, 1 month ago

  • @Mike-Carnell – and don’t get me started on the whole “1.5 sigma shift” bullshizzle. 1 year, 1 month ago

  • @cseider – so, you’re telling me it aint?  Oh, I get it, +3 and -3 must be Zero sigma ;-} 1 year, 1 month ago

  • @rbutler – Big Brother is always watching ;-} 1 year, 1 month ago

  • @rbutler – and simple algebra at that ;-) 1 year, 1 month ago

  • @irfan.ahanger01 – I’m certainly not going to disagree with @rbutler (good to see you’re still here, trying to educate the masses!), but I would take a more pragmatic approach.  You already have a design with the center points, so you need to add the Star Points.  For each factor, you will need two – a high and a low, set at an alpha level – to a…[Read more]

  • @AR19CHU91 – you might get more of a response if you posit some of your own perspectives instead of just throwing something out and asking for comments.  As I have said here many times (albeit not recently) – do your own homework. 1 year, 1 month ago

  • @Karthikdharmalingam – What is being identified is a measurement system error.  In this situation, each internal audit sample that is taken and subsequently subject to the ATA, this can be used to identify a confidence interval on the data provided by the internal audits. 1 year, 1 month ago

  • @AlonzoMosley – A couple of things come to mind.  1) If resources are constrained (and when aren’t they?), then the organization needs to prioritize the allocation of those scarce resources.  If you have several processes that all could benefit from improvement, often your best allocation is towards the one most constrained – so long as you can a…[Read more]

  • @Andy-Parr – Heck, I’d PAY to have that certification myself  ;-} 1 year, 8 months ago

  • @Andy-Parr, @Mike-Carnell – good to see you both are still here.  Funny how some people latch on to something and their perspective totally vanishes.  Oh, well.  I tried.  Must be getting soft in my old age – I didn’t even look to take out the flame-thrower.  Best to you both. 1 year, 8 months ago

  • @stephanieareid – you really are a one-trick-pony, aren’t you?

    Each methodology has its utility and none are the be-all and end-all.

    For others reading this (old) thread, here is some nugget of learning I have managed to dig up over the years.  Different problems require different approaches.  Lean, as our friend stephanie seems so very fond o…[Read more]

  • @Tipman – I’m going to disagree with @straydog that creative people are likely to resist.  My experience is that they need to be shown how various tools help them to do what they inherently know they need to do.

    I’m not sure just what you are having trouble with.  Is it identifying new items to pursue (you will need tools that foster i…[Read more]

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