Robert Ratcliffe


  • Karim, the I-MR chart looks as if you don’t have sufficient discrimination in the units of measure; therefore, you may have an issue with the Measurement System in terms of how finely tuned the machine is.

    Another thing you can do with variable individual data points is to sub-group your data (if feasible) in an X-bar/R (subgroups of 3-8) or…[Read more]

  • Robert Ratcliffe's profile was updated 1 year ago