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ASQ

CRE · Question #21

For single-failure modes, the probability plotting methods used to derive time-to-failure distribution parameters are applicable only when the data are

The correct answer is C. Independently and identically distributed. See the full explanation below for the reasoning.

Data Collection and Use

Question

For single-failure modes, the probability plotting methods used to derive time-to-failure distribution parameters are applicable only when the data are

Options

  • AGathered for repairable systems.
  • BIndependently and normally distributed.
  • CIndependently and identically distributed.
  • DExponentially distributed.

How the community answered

(47 responses)
  • A
    6% (3)
  • B
    15% (7)
  • C
    74% (35)
  • D
    4% (2)

Topics

#probability plotting#IID assumption#time-to-failure distribution#failure mode analysis

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