All are within the statistical margin of error.
Obviously, that's a bigger margin than other polls are showing: in fact, it's the first survey for some time to show Obama with a lead larger than the statistical margin of error.
The variance was again at about 2%, within the statistical margin of error.
So it's important to remember that, ultimately, an exit poll is just that - a poll, with statistical margin of errors or worse - structural errors.
But in an election this close, any count would clearly be within a statistical margin of counting error that make any numbers suspect.
While many polls are, indeed, close and within the statistical margin of error, the Obama dominance in the significant swing states--Nevada, New Hampshire, Colorado, Iowa, Wisconsin, Virginia and, most importantly Ohio and Pennsylvania--renders it all but statistically impossible for Romney to win the Electoral College vote.
I'm convinced we could have this election today and the results would be, within a statistical margin of error, identical to what they'll be in November.
Statistical margins of error preclude exact comparisons between cities, but the figures are much higher in the wealthiest parts of the county.
It is referred to as fixed because the past studies comparing the drug with placebo are used to derive a single fixed value for statistical margin, even though this value is based on results of placebo-controlled trials (one or multiple trials versus placebo) that have a point estimate and confidence interval for the comparison with placebo.
(North Dakota high-school students are, by a wide statistical margin, more likely to attend college than high-school students in any other state.
