Half these genomes will be Chinese, but the institute's researchers intend to sample the full geographical range of humanity.

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In exchange for this concession, Range agreed to sample 20 private water wells surrounding its pad site every three months for a year.

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The best estimate from the Office of National Statistics is of 100, 000 Scots aged between 16 and 24 looking for work, but that's based on a sample with quite a wide range of error.

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But Los Angeles Police Criminalist Susan Brockbank said "the point of doing a hair comparision is looking at a known sample to get a "range of characteristics... and then comparing that questioned hair to it.

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The unemployment rate is derived from a separate survey of households, which has an even smaller sample size and thus a wider confidence range.

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The players have the right to request that their 'B' sample be tested, while the penalties they potentially face range from a warning to a two-year ban.

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