According to National Exit Poll data, in last week's House races 87 percent of Jewish voters backed Democrats.
At the same time, exit poll data posted at CNN.com show that nationwide, Romney did better with higher-income voters.
Based on exit poll data and information from US media, Mr Obama will secure enough delegates to win the candidacy.
This move would deprive the networks of the vital precinct data they add to exit polling to create their exit poll projections.
Each state is "called" some time after the polls close - these are projected results based on exit poll data and partial vote counts.
Meanwhile, Colorado voters were projected to reject an anti-abortion amendment that would have defined a "person" as "every human being from the beginning of the biological development of that human being, " according to a CNN analysis of exit poll data.
Voting and exit-poll data from election night a month ago reveal much on this score.
FORBES: What The Republicans Must Do To Rebuild, And Attract Future Voters
In 2010, over 93 percent of union political support went to Democrats, even though 42 percent of union households voted Republican, according to exit-polling data.
Ms. Gadsden-Williams says she plans to track the progress by examining data in hiring, retention statistics, promotions and exit interviews.
Many researchers would like a long period with the data all pointing in one direction before calling the exit definitive.
Agencies need a cloud exit strategy if they want to move their data or change cloud providers, government and industry experts say.
Exit polls suggest the centre-left has won a lower house majority, while early count data gave Silvio Berlusconi's centre-right the lead in the Senate.
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