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The Delta E value between a batch and a standard is most usefully interpreted alongside

  • A.the total production volume of the batch
  • B.the price that was agreed for the material supplied
  • C.the number of samples measured that day
  • D.the components and the direction of the difference

Answer: D

Correct answer: the components and the direction of the difference

A total of 1.5 could mean the batch is a little dark, a little weak, or noticeably off in hue, and those call for quite different corrections. The components with their signs say which, and since hue is the least tolerated of the three, the same total is not equally serious in every direction.

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