For the study, the researchers used two data sets from chain stores and interviewed managers of nine convenience store chains.

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Keep in mind: Two separate data sets calculate those figures, and all Labor Department data this year has required significant revisions.

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Two sets of data released early Friday measuring Chinese manufacturing activity pointed to different trends in the local factory sector.

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Some clarification is vital, because he presents two sets of data.

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To review, correlation measures the relationship between two sets of data.

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And to address the concerns about data loss of the sort that affected Megaupload customers whose files were seized by the FBI, Mega will store all data on two sets of redundant servers, located in two different countries.

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He found that when two sets of economic data are compared, for example inflation and exchange rates, they can often be treated with standard techniques.

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The Bush administration has invoked state secrets several times recently, on two sets of issues: telephone data searches and on what's known as extraordinary rendition, the transfer of terrorism suspects to third countries.

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Sony launches two TV sets able to join a wireless home data network.

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Oracle has two versions of financial-tracking software, three sets of code for customer data and dozens of niche products.

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