Run the Floor With PDSA, Not Hunches

A floor problem is not a verdict; it is a testable condition. Plan the smallest useful test Write the problem in observable terms: checkout wait is averaging 8 minutes from 5:00 to 6:00 p.m., not the front end is a disaster. Add the prediction: if we open mobile POS when queue depth reaches 10, wait time should drop under 5 minutes without leaving recovery undone. Do it where reversal is easy Run the change for one rush, one department, or one aisle. Small tests protect the customer and the team because a weak idea can be stopped before it becomes…

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