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State whether the following is true or false.
Inspecting the finished product is enough to assure quality.

  • A.True
  • B.False
  • C.True only at large scales
  • D.False only at small scales

Answer: B

Correct answer: False

Inspection sorts good from bad; it does not make anything good. By the time a piece is inspected the cost of making it has been spent, the causes are several steps upstream and no longer visible, and any test short of destruction samples only part of what could be wrong. Quality is assured by controlling the process that produces the pieces, with inspection as confirmation rather than as the mechanism.

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