• Syed Faraz Ali became a registered member 26 minutes ago

  • Tani Papazisi became a registered member 49 minutes ago

  • …Rats, cut off the last part of my post..

    The t-test is robust to normality and the issue is that of “approximate” normality. In order to get a good visual understanding of what that means you should borrow Fitting Equations to Data by Daniel and Wood from the library and look at the cumulative distribution plots of normal data (for various…[Read more]

  • James J. Mikulski changed their profile picture 11 hours, 29 minutes ago

  • Roma McKinley became a registered member 11 hours, 40 minutes ago

  • You haven’t told us what you mean by “first run all variables, and normality is not ok
    run only significant variables, normality is OK.” Specifically, how are you determining that “normality is not ok”? If all you are doing is running your residuals through some test such as Shapiro-Wilks then you need to back up and run a real residual…[Read more]

  • felipe became a registered member 1 day, 2 hours ago

  • Depending on the certifying agency, there may be significant differences between the requirements for each. The American Society for Quality requires two projects be included in the application. Green belt and black belt assignments are different as is the knowledge needed. If you are a beginner and have the time and money, you may want to follow…[Read more]

  • Wendy became a registered member 1 day, 4 hours ago

  • So, are in fact Aveta Business Institute and The Council for Six Sigma Certification legitimate sources for Black Belt certification?? The reason I am asking is because two years ago, I was researching “Accredited Six Sigma Certification” and Aveta Business Institute was one of the first options. Wondering………

  • Jesse Moates‘s profile was updated 1 day, 7 hours ago

  • Jesse Moates became a registered member 1 day, 7 hours ago

  • Olga Sostaka became a registered member 1 day, 9 hours ago

  • Angela Buckley became a registered member 1 day, 10 hours ago

  • Sean D became a registered member 1 day, 10 hours ago

  • keith duncan became a registered member 1 day, 11 hours ago

  • Keith Maharaj became a registered member 1 day, 12 hours ago

  • Angelita Esmond became a registered member 1 day, 14 hours ago

  • Yuva Danniel became a registered member 1 day, 14 hours ago

  • Load More