In lean, the size of lots or batches of work flowing through the system should be: Multiple Choice 2 or 3 sigma. increasing steadily. large as possible. never change. small as possible, ideally one unit.

In lean, the size of lots or batches of work flowing through the system should be: Multiple Choice 2 or 3 sigma. increasing steadily. large as possible. never change. small as possible, ideally one unit