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Which among the following is used for computing United Nation's Age-Sex Accuracy Index ?

  • A.Mean deviation of the age ratios for males from 100.
  • B.Mean deviations of the age ratios for females from 100.
  • C.Three times the mean of the age differences in reported sex ratios
  • D.All the above

Answer: D

The United Nations Age-Sex Accuracy Index uses all the above.

The index is a joint score. It takes the mean deviation of the age ratios for males from 100, the mean deviation of the age ratios for females from 100, and three times the mean of the differences in reported sex ratios between successive ages, and then adds the three together.

Each of the first three options is one component of the score, so choosing only one of them is incomplete. Since all three are used, option D is the answer.

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