First you have nothing, and then, astonishingly, after ripping out your brain and your heart and betraying your friends and ex-lovers and dreaming like a zombie over the page till you can't see or hear or smell or taste, you have something.
There are various non-statistical tools that have been typically developed by lean companies, notably by Toyota for minimizing variability in production, such as standardization, introduction of takt time, synchronization, shortening the total production lead time which I am fond of referring to as non statistical tools.