In the study, the authors used Hirisplex to predict hair colour phenotypes in a sample drawn from three European populations.

BBC: Forensic test can predict hair and eye colour from DNA

If the document sample drawn from the population is too small, the defendant might unwittingly produce far fewer than 80% of the responsive documents due to erroneous calculations resulting from flawed sampling procedures.

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The World Bank looked at a sample drawn from 52m migrants in 20 rich countries in 2000 and found that 36% of them had a college education, a sharp rise on a decade earlier.

ECONOMIST: Open up | The

The study, funded by the National Institutes of Health and GlaxoSmithKline (nyse: GSK - news - people ), looked at a patient sample drawn from nearly 13, 000 patients over nearly six years.

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The study sample is drawn from all phone numbers--listed and unlisted--in the United States to ensure maximum diversity.

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Then the bureau wants to conduct a second sample of 750, 000 households drawn from all ethnic groups and locations.

ECONOMIST: Statistics

The estimates for job creation are drawn from a fairly large sample size.

WSJ: What's Behind the Jobs Report?

And again, this data will not be drawn from any sort of representative sample of global humanity, but from a narrow subset about which we already know a lot.

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