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A figure of merit in a trade study is

  • A.A weighted score ranking options
  • B.The cost of the cheapest option
  • C.The weight of the aircraft
  • D.A regulatory requirement

Answer: A

Combining criteria into one score forces the relative importance of each to be stated openly. Its weakness is that a poorly chosen weighting can bury a decisive disadvantage inside an attractive-looking total, so sensitivity to the weights should always be checked.

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