Analyzing pH Data
Hello- I am reviewing the attached pH/lot data set and I have a few goals I want to achieve. Could anyone help me with determining the best tests to run in JMP? Thank you!! 1. My pH specification is 6.5-7.1. Based on the results that I have gathered per lot, can I statistically justify changing my lower specification limit to 6.0? and if I cant, what would an acceptable lower limit be based on my ...