Attribute GR&R Agreement Report

Question

Hello ,

Received a customer feedback regarding the inconsistency Attribute GR&R Agreement Report lower CI (95%) in JMP8 vs JMP13

while other statistics e.g. upper CI (95%), effectiveness report all are same

95% lower CI in JMP8 is "93.9828",  however          95% lower CI in JMP12 -15 is "52.5364"

(see the two pictures below, attached the data set used: "VER8 Attribute.jmp" )

I'm thinking the inconsistency could becasue of JMP newer version modified (or improved) the calculation low 95% CI of agreement report

Seeking confimation and information on this point, thank you

Wish you a good day

VER8 Attribute.jmp

PIN · Accepted Answer

There was an error in the way the % Agreement confidence intervals were calculated in JMP 8.

This was fixed starting in JMP 9, explained here: http://www.jmp.com/techsup/jmpv9/38/270.html