Gage RR study

Dear Kevin,
%EV & %AV are the components of %R&R. Mathematically,
(R&R)=Sqrt(EV^2+AV^2).
As you can see, you can only balance between EV & AV to limit your R&R within 0.1
R&R is evaluated as a % of tolerance & % of process variation. If the measurement is to sort good parts from bad, you need to ensure %R&R based on tolerance. If the measurement is for the purpose of monitoring & controlling the process, you need to achieve 10% R&R based on process variation (PV). PV can be obtained from your capability study results. Usually, it is 5.15 * sigma.
Hope this helps.
Ivan.

Rules of thumb…When you conduct a gauge R&R study, set it up with at least 10 parts, at least 2 operators, and have each operator measure each part (randomly) at least two times.  It’s also good to conduct the study over a two-day period…repeat measurements are a day apart.
The data you presented is not sufficient for a gauge R&R study.

I as well like the 5/3/3 it has proven most reliable in manufacturing measurments.  Take a look at the minitab function if you have it available, or if you would like, i can send you my home brew excel one we used at Ford.