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Which of the following diagrams shows the correct relationship among the terms :

Entrepreneurs, Married, Women ?

  • A.Three concentric circles, each inside the next
  • B.Three circles in a row, the middle one overlapping each of the outer two, which do not overlap each other
  • C.Three circles, each overlapping both of the others, with a region common to all three
  • D.One circle inside a larger circle, with a third circle separate from both

Answer: C

The correct diagram is three circles, each overlapping both of the others, with a region common to all three.

Some entrepreneurs are married and some are not; some entrepreneurs are women and some are not; some women are married and some are not; and some people are all three, married women entrepreneurs. Every pair overlaps and all three share a region.

Concentric circles would make one class wholly inside another, the chain would deny any overlap between two of the classes, and a separate circle would make one class share nothing with the others.

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