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Interviewers ask this kind of question to surface how you think, not what you remember. The strongest answers are specific, calmly told, and end on what changed.

Process optimization · Measuring before and after

You want to lift right-first-time on batch records from around 80% to 95%. Walk me through the baseline measurements you'd establish before you change anything.

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Before changing anything I'd define right-first-time precisely: a record that reaches QA with no error requiring correction.…

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Concepts behind this questionLean diagnosis: eight wastes & value-stream maps
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