A team finds that operators perform the same task in different ways, leading to inconsistent results. Which tool should be implemented?

Question

Options

• AProcess capability analysis
• BRegression analysis
• CStandard work
• DScatter plot

• A
  9% (2)
• B
  4% (1)
• C
  83% (19)
• D
  4% (1)

Explanation

Standard work (C) directly solves the problem of operators performing the same task differently - it documents the best-known method into a defined, repeatable procedure that everyone must follow, eliminating variation caused by individual differences in technique.

• A (Process capability analysis) measures whether a process can meet specifications; it analyzes existing data but doesn't prescribe how to perform a task.
• B (Regression analysis) examines relationships between variables; it's a statistical tool, not a method for standardizing human work steps.
• D (Scatter plot) visualizes correlations between two variables; useful for pattern detection, but again does nothing to standardize how work is performed.

Memory tip: When the problem involves people doing the same job differently, think Standard Work - it's the lean tool that makes "one best way" the only way. If you see "inconsistency" + "operators/humans," that's your trigger.

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