mike_nyc said:The part it does not cover is what to do when the honest answer is "not enough data", which is more often than anyone likes.
This is my experience too, for whatever a second data point is worth.
mike_nyc said:The part it does not cover is what to do when the honest answer is "not enough data", which is more often than anyone likes.
Adding the part of the answer the thread has not reached. Take it one variable at a time. Almost every unanswerable question in these threads is unanswerable because three things changed in the same fortnight, and no amount of subsequent argument can untangle them after the fact.
One concrete data point for the thread. Practical: whatever you change, write down the date and the reason. In three months the reason is what you will have forgotten, and the reason is what makes the record worth having.
That is the short version; the long version is somebody else's post.
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Browse GL BiochemOne thing that is still open after mike_nyc’s answer:
How people are distinguishing a supplier having a bad batch from a supplier on the way out?
VendorMark said:Practical: whatever you change, write down the date and the reason.
Pushing back on VendorMark here. Pushing back on the consensus forming here. Consistency is not the same as correctness, and a board that agrees with itself quickly is usually agreeing with the first person who sounded certain.