| 21. | Researchers interviewed a representative sampling of people from ages 18 to 90 by telephone.
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| 22. | That poses a major problem to creating a representative sample.
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| 23. | "The majority of the data points were based upon convenience rather than representative samples.
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| 24. | Most fossil sites require concentrated efforts to find a representative sample of the fossils.
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| 25. | The researchers interviewed a representative sample of 1, 246 people.
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| 26. | The poll Sept . 18-19 surveyed a nationally representative sampling of 1, 000 adults.
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| 27. | Animal-gathering mercenaries race around trying to net a representative sampling.
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| 28. | While hardly a representative sample, the women he works with average $ 79, 000.
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| 29. | I don't think this is a representative sample of what our customers think ."
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| 30. | Most polls are random surveys designed on some model based of a representative sample.
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