I completed a DOE on an extrusion process and used a Taguchi Method. I am completely new at using this method and was slightly confused on the whole layout of the DOE but decided to proceed due to a deadline. I completed L8(2^4) array but I did not use noise factors because it is hard to control anything out on the production floor, plus we did not have 2 different lots of compound at the time. So I completed the trials without any noise factors in effect at the time. I need to put a report together and figure out the outcome of the trials but I am afraid I will not be able to complete the analysis without the noise factors. Can I still complete the analysis with out the use of the noise factors? I have a lot of data from all of my output variables. I thought I would still be able to find my SN ratio with the mean and standard deviation from my data? Any help at all would be much appreciated. Thanks!

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