shrekho SG Hi All.. What in the world does CPK means? I know it's some kind of Statistics studies, but I only know CPF. How do I calculate CPK? Any statisticians here can help? Thanks
shrekho SG ""You must have a Cpk of 1.33 [4 sigma] or higher to satisfy most customers." Joe Perito" My CPK value = 0.000227919 Something wrong somewhere???